Material quality assurance

With the continuous progress of society, the use frequency of letters of guarantee is getting higher and higher. A letter of guarantee is actually a contract with legal effect. Do you know how to write a guarantee? The following is the material quality guarantee I collected for you, for reference only, and you are welcome to read it.

Material quality guarantee 1xxxxx co., ltd.:

As a supplier of your xxx goods, in order to ensure the quality and safety of our products, we make the following commitments to your company:

I. Commitment to our business qualification

We promise to provide your company with legal and effective business license, tax registration certificate, business production license and other necessary documents.

Second, about our supply commitment.

1. All goods supplied by our company have qualified quality inspection reports and relevant product certificates, which are in line with relevant national regulations; And ensure that all required external inspection reports, certificates, production certificates of manufacturers of special raw materials and other documents are provided in time, and ensure that all documents are true, legal and effective.

2. If the brands of all the goods supplied by our company are confirmed by your company in writing, the manufacturers, formulas and production processes related to the performance and quality indicators of the specified goods will not be replaced at will. If there is any replacement, our company will notify your company in writing at least x working days in advance.

3. The shelf life of the goods supplied by our company shall not be less than the shelf life marked by the products (from the production date marked by the products). If the quality problems of the products we supply cause the quality problems or adverse effects of your products, we will voluntarily bear the compensation of X times the price of this batch of goods, and bear all the losses and legal responsibilities caused thereby.

4. Our company recognizes your company's goods acceptance system and warehouse storage conditions, and voluntarily strictly abides by your company's goods acceptance system when accepting the goods provided.

For the unqualified goods, our company promises to make up the qualified goods within the time specified by your company, otherwise our company will voluntarily bear all the losses caused by it.

6. Before your company puts the accepted goods into use, we promise to return the goods unconditionally and make up the qualified goods within the time specified by your company, otherwise we will voluntarily bear all the losses caused by it.

7. Our company promises never to add additives other than those stipulated by other laws and regulations, and to use additives within the scope permitted by the state, and not to use additives beyond the scope or beyond the scope. Otherwise, our company will voluntarily bear the compensation of X times the price of this batch of goods, and bear all the losses and legal responsibilities caused by it.

8. Our company promises to strictly abide by the national regulations on labeling and ensure that the product packaging meets the requirements.

9. Our company promises to abide by the provisions of the contract, and will never add substances that your company has designated not to add or contain, otherwise it will voluntarily bear all losses and legal responsibilities arising therefrom.

10, our company promises to strictly abide by the relevant national laws and regulations, without your prior notice, to ensure timely implementation.

1 1. Our company is willing to use x_% of the payment for the goods supplied as the rolling quality guarantee for the monthly settlement, which will be settled at the next checkout.

In order to ensure quality and safety together, our company makes the above commitment to your company and is willing to abide by it; This letter of commitment is valid during the supply period of our company and within one year after the termination of cooperation between the two parties.

xxx

Xx，xx，XX，XX

Material quality warranty 2 I. Scope and content of engineering quality warranty

During the quality warranty period, the contractor shall undertake the quality warranty responsibility of this project in accordance with the management provisions of relevant laws, regulations and rules and the agreement of both parties.

The quality warranty covers the flat roofs, sloping roofs and gutter of buildings of Baiyin Tongcheng International Hotel 1#, 2#, 3# and 4#. (The constructor shall be responsible for free maintenance of the damage caused by the construction quality)

Second, the quality warranty period

According to the Regulations on Quality Management of Construction Projects and related regulations, both parties agree that the quality warranty period of this project is as follows:

1. The project quality warranty period is five years.

2. The quality warranty period is calculated from the date of project completion acceptance.

Third, the quality warranty responsibility

1. For the project that belongs to the warranty scope and content, the contractor shall send someone to guarantee it within 7 days from the date of receiving the warranty notice.

2. In case of emergency repair, the contractor shall immediately arrive at the site for emergency repair after receiving the notice.

Fourth, the warranty cost.

The warranty expenses shall be borne by the responsible party causing the quality defects.

Verb (short for verb) others

The quality warranty of this project is valid until the expiration of the warranty period.

Employer (seal): Contractor (seal): Representative (signature): Representative (signature): Time: Time:

Material Quality Assurance 3 The products produced by our company are inspected strictly according to the requirements of national standards, enterprise standards and enterprise standards from design, production, testing to product packaging, transportation and after-sales service, and unqualified products will never leave the factory. Invite relevant experts to the company from time to time to supervise and guide the work and strictly control the quality.

1, raw material procurement

In order to ensure the quality of raw materials, our company purchases from qualified suppliers after strict evaluation. The incoming raw materials can be put into storage only after passing the inspection, so as to ensure that the qualified rate of storage reaches 100%. Principal materials shall give priority to purchasing high-quality products from national key and designated enterprises, and implement grading inspection and audit system.

2. Production

In order to ensure product quality and strictly control all production links, the quality tracking card system is implemented in the process of tooling. When there are quality problems in product quality, they can be traced back to teams and individuals, and corrective and preventive measures can be taken in time to make the qualification rate of the next product reach 100%. At present, our company has introduced advanced equipment and production technology, which has laid a solid foundation for ensuring the production of high-quality products.

Step 3 check

The company strictly controls the inspection of products to ensure that the products that have not been inspected are not put into use and leave the factory. The technicians of the quality inspection department shall inspect the working procedures and finished products in the production process in strict accordance with the technical terms, design drawings, relevant standards and quality specifications of the products, and issue corresponding inspection reports and relevant records after passing the inspection.

4. Control of nonconforming products

Control of nonconforming products Our company implements three inspection systems (self-inspection, mutual inspection and special inspection) to prevent the occurrence of nonconforming products. Take effective corrective and preventive measures to eliminate actual and potential unqualified factors and prevent similar quality problems.

5, packaging and transportation

Control all aspects of handling, packaging and delivery that affect the product quality in the molding process to prevent the product from being damaged. After the products pass the final acceptance, the products shall be packaged and protected according to the relevant requirements of the mode of transportation and the signing of the contract to ensure that the products are transported to the destination intact.

6. Our company guarantees to provide brand-new products that meet relevant standards and meet the requirements of bidding documents, bidding documents and technical agreements. This product has a shelf life of two years.

xxx

Xx，xx，XX，XX

Material Quality Assurance 4 In order to strengthen the management of raw materials entering the site of the project under construction, strengthen quality monitoring, improve the code of conduct for the use of materials, and ensure the quality of the project, this letter of commitment is formulated in accordance with relevant national regulations and standards:

1. Raw materials used in the construction site, such as steel bars, cement, pebbles, sand and additives used in structural concrete, must be sampled and sent to the testing center for re-inspection before they can be used.

2. When sampling, three parties (owner, supervisor and construction team personnel) must sample and send samples for testing at the same time.

3. If the raw materials that must be reinspected according to the above provisions are used without reinspection, the company will be fined between X yuan and X yuan for each discovery. And suspend the construction, re-inspection qualified rear can return to work.

4. Materials must be inspected and rechecked before use. For example, in actual construction, materials of other models and specifications can be used at will. Once found, it will be ordered to replace the same raw materials and semi-finished products as the original samples, and will also be fined x% of the company's cost.

5. If unqualified materials, semi-finished products and equipment are found to cause engineering defects and accidents, they shall be resolutely reworked and fined between RMB X and RMB X..

Remember this, don't have any leisure addiction!

Please rest assured the leaders of your unit!

xxx

Xx，xx，XX，XX

5 Shangyu Jincheng Lighting Appliance Co., Ltd. Material Quality Guarantee:

As a supplier of plastic parts for your company, we make the following guarantees to your company:

First, about our business qualification guarantee

We guarantee that the business license and production license provided to your company are true and effective.

Second, ensure our supply.

1. All suppliers have qualified quality inspection reports and relevant product certificates, which are in line with relevant national regulations.

2. After your company confirms the supply brand in writing, the supplied goods will not be replaced at will.

3. The shelf life of the supplied goods shall not be less than 2 years from the date of acceptance and warehousing by your company.

We recognize your goods acceptance system, and strictly abide by your goods acceptance system when accepting supplies.

5. For the unqualified goods, guarantee to make up the qualified goods within the time specified by your company.

6. For the goods that have passed the acceptance, if there are incomplete licenses, inconsistent brands and quality problems before your company puts them into use, guarantee unconditional return and make up the qualified goods within the time specified by your company.

7. If the quality problem of the goods we supply adversely affects your company, we are willing to bear the fine of 1- 10 times the price of the goods, and bear the economic losses and legal responsibilities caused by it.

8. We are willing to take 30% of the payment for the goods supplied as the rolling warranty deposit for monthly settlement, and settle it at the next settlement.

Supplier: Yuyao Hongxing Malong Electric Appliance Co., Ltd.

Signature of person in charge:

20xx 10 year 10 February1day

Material Quality Assurance 6 Dear customers,

First of all, thank you for choosing to buy our products!

In order to ensure the product quality, clarify the product quality responsibilities of the buyer and the seller, ensure the product quality is qualified and ensure the product safety, the following guarantees are made:

1. In principle, the quality of products provided by our company shall meet the technical standards specified by the buyer. When the buyer does not have the specified technical standards, our company will follow the current national standards, and provide the buyer with product samples, which will be provided to the buyer after the buyer agrees, and ensure the stability and gradual improvement of product quality.

2. The supplier shall provide the buyer with a copy of the production license and business license stamped with the official seal of the supplier.

Three. The supplier shall provide the buyer with a copy of the product standard stamped with the official seal of the supplier.

4. The supplier guarantees that the products supplied meet the legal quality standards, and is responsible for the product quality, and provides the buyer with necessary quality information, such as product inspection reports and other relevant materials when necessary.

5. Product packaging and registered trademarks of suppliers. Comply with the relevant provisions of the state.

6. The buyer shall store the products in strict accordance with the storage conditions indicated on the product packaging, and the buyer shall be responsible for the product quality problems caused by the buyer's poor storage and maintenance of the products.

Seven, consumer complaints about product quality problems, suppliers should actively cooperate to properly solve, if it is the responsibility of suppliers, suppliers should bear all responsibilities and expenses.

Eight. Handling of quality disputes (problems):

The buyer shall inspect the supplier's products in strict accordance with the established technical standards to ensure the fairness and scientificity of the inspection, and keep the remaining samples that fail the inspection for one week.

Our company will be responsible for the losses caused by the use of products that are really suppliers' quality problems.

If the supplier's production quality problem is really unused, the supplier and the supplier will negotiate to solve it (return or reduce the price).

Nine, this product quality guarantee shall come into effect when both parties sign the supply contract, and shall be terminated at the same time when the business is terminated.

xxx

Xx，xx，XX，XX

Material Quality Assurance 7 In order to create a good food safety consumption environment, the company solemnly promises to strictly implement the grain, oil and food access system, strictly control food quality, seriously handle consumer complaints, establish an honest and trustworthy social image and moral image, and ensure the safety of people's grain, oil and food consumption.

First, the purchase acceptance system for future reference

(1) The company strictly follows the product quality law, food hygiene law and other laws, strictly controls the purchase of goods, and resolutely puts an end to the "three noes" goods entering the company;

(2) The company collects important information about food distribution in time, and establishes purchasing ledger according to commodity category;

(3) The purchase ledger records the product variety, purchase date, supplier, purchase and sale voucher number, quantity, shelf life and other information, which is authentic and well documented, and is subject to inspection by the departments of industry and commerce, food, medicine and food supervision.

Second, the unqualified products under the cabinet (off the shelf) system

(1) Our company strictly controls the quality, and takes the initiative to take off the shelves (shelves) of expired and spoiled food in time;

(2) The important food that our company has complained to the masses and focused on will be removed from the shelves first, and then submitted to the relevant departments for identification. Qualified food will be put on the shelves again, and unqualified food will stop selling immediately;

(3) The company should take back the unqualified food and fake and inferior food that have been sold in time, and inform the suppliers, industry and commerce, food and other departments of the relevant situation.

Third, the consumer complaint handling system.

(1) The company strictly implements the national regulations on after-sales service of commodities, strives to improve the level of after-sales service and protect the legitimate rights and interests of consumers;

(2) The company actively cooperates with the departments of industry and commerce and food to handle consumer complaints;

(III) The company's complaints to consumers are strictly implemented in accordance with the Consumer Protection Law and other relevant laws and regulations.

xxx

Xx，xx，XX，XX

Material quality guarantee 8 Party A (supplier): Yuncheng Xinheng Food and Drug Packaging Co., Ltd.

Party B (Buyer): Ningxia Qiyuan Chinese Medicine Co., Ltd.

In order to ensure the principles of equality, mutual benefit, sincere cooperation and mutual respect for reputation, abide by the Drug Administration Law and other relevant laws and regulations, and meet the requirements of good manufacturing practice, Party A and Party B make the following commitments on the packaging materials provided through friendly negotiation:

1. Party A is responsible for providing Party B with legal copies of the business license of enterprise legal person, printing business license (which must be provided by printed matter manufacturers), quality management system certification certificate, tax registration certificate, People's Republic of China (PRC) organization code certificate, commodity barcode printing license, first-class packaging material registration certificate (which must be provided by internal packaging material manufacturers) and other relevant materials, and affixing the red seal.

2. Party A shall provide the original power of attorney of the enterprise legal person signed and sealed by the enterprise legal person and stamped with the official seal of the enterprise, and a copy of the employment certificate and ID card of the contact person engaged in business.

3. The packaging materials processed by Party A must meet the following requirements:

1. The packaging materials supplied must meet the statutory industry quality standards.

2. Each batch of packaging materials supplied must have a product label on the packaging, and the label content should include the name, specification, quantity and processing date, and its content must meet gmp requirements.

3. Party A's inspection report shall be accompanied by inner packaging materials;

4. If Party B finds quality problems in Party A's packaging materials during storage and use, Party A shall return them unconditionally or compensate them.

5. Party B shall keep the packaging materials according to gmp requirements, and Party B shall bear the quality problems caused by improper storage.

6. Party A and Party B have the obligation to provide or feedback quality problems to each other in a timely manner and put forward opinions and suggestions.

Seven. Party A and Party B shall abide by this commitment together. If there are any matters not covered, both parties shall reach an agreement through consultation.

Eight. This undertaking is made in duplicate and has legal effect. Party A and Party B each hold one copy, which will take effect after being signed and sealed.

Nine. The letter of commitment is valid for one year, from 20xx 1 year1month to 20xx 1 year on February 3/day.

Party A: Yuncheng Xinheng Food and Drug Packaging Co., Ltd. Party B: Ningxia Qiyuan Chinese Medicine Co., Ltd.

Signature of person in charge: signature of person in charge:

Date: 20xx 65438+ 10/date: 20xx65438+1 0/.

Proof materials for residential engineering quality assurance

Dear family:

The 27# building of Jinxi Refinery General Factory, which was built by MCC Construction Company, has been completed. In order to ensure the legitimate rights and interests of housing consumers, the company guarantees that the project is qualified, the design life of housing foundation and structure is 50 years, and the housing foundation and structure are guaranteed to be used for life according to the design life.

Hereby certify that

Huludao hongcheng housing development co., ltd

20xx 10 year1October 30th.

Material Quality Assurance Letter 9 In order to strengthen the management of raw materials entering the site for the project under construction, strengthen quality monitoring, improve the code of conduct for the use of materials, and ensure the quality of the project, this commitment letter is formulated in accordance with relevant national regulations and standards:

1. Raw materials used in the construction site, such as steel bars, cement, pebbles, sand and additives used in structural concrete, must be sampled and sent to the testing center for re-inspection before they can be used.

2. When sampling, three parties (owner, supervisor and construction team personnel) must sample and send samples for testing at the same time.

3. If the above-mentioned raw materials that must be reinspected are used without reinspection, the company will be fined more than xxxx yuan and less than xxxx yuan for each discovery. And suspend the construction, re-inspection qualified rear can return to work.

4. Materials must be inspected and reinspected before use. For example, in actual construction, other types and specifications of materials are shoddy or used at will. Once found, in addition to ordering it to replace the same raw materials and semi-finished products as the original samples, it will also impose a fine of xxxx% on part of the company's costs.

5. If unqualified materials, semi-finished products and equipment are found to cause engineering defects and accidents, resolutely rework and impose a fine of xxxx to xxxx.

Remember this, don't have any leisure addiction!

Please rest assured the leaders of your unit!

Xx company

Xx year xx month xx day