Does a plumber need a certificate?

Plumbers need a plumber's qualification certificate.

The professional qualification certificate of plumber is an important part of the employment system and a special form of the national examination system.

It refers to the objective, fair, scientific and standardized evaluation and appraisal of workers' skill level or professional qualification through an appraisal institution recognized by the government in accordance with the professional standards or qualification conditions formulated by the state, and the corresponding national vocational qualification certificates are issued to those who pass the examination.

National vocational qualifications are divided into five grades:

1, national vocational qualification level 1 (senior technician).

2, the national occupation qualification level 2 (technician).

3, the national vocational qualification level 3 (senior workers).

4, the national vocational qualification level 4 (intermediate workers).

5, the national vocational qualification level 5.

Extended data:

Four types of national vocational qualification certificates:

1, papermaking, building materials, glass, papermaking, building materials, glass, ceramics, pulping workers, pulping equipment operators, pulp waste recycling workers, papermaking workers, paper finishing workers, corrugated box makers, carton makers, cement manufacturers, cement production inspectors, and cement central control room operators.

2. Producers of gypsum powder, cement products, lime roasters, bricks and tiles, aerated concrete products, gypsum boards, linoleum, polymer waterproofing membrane, thermal insulation materials, sound-absorbing materials, perlite, asbestos products and kaolin products.

3. Refractory raw material processors, refractories shapers, refractories sinters, refractories oilers, refractories, glass batching workers, glassware decorators, glassware manufacturers, glassware manufacturers, ceramic raw material preparers, ceramists, ceramists, enamelers, enamel blank makers, enamel coating and sintering workers, and enamel pattern decorators.

Baidu Encyclopedia-Technician Certificate