How do electric marketing companies survive?

At present, there are still many telemarketing companies, whether they are call centers or intermediaries. Net pin+electric pin+face pin, this is a mode, and it is often stored in * * *. Not to mention the call center, their strength is generally very strong, but also inseparable, such as 10086, and some like insurance, there are many telemarketing in the insurance industry. The strength of small companies can't compare with them, but there is also an intermediary that provides a platform for telemarketing and then cooperates with these call centers. Some of them are intermediary companies, which provide services, that is, telephone outsourcing. Now some companies no longer set up their own call centers, but adopt outsourcing. Then there are electricity sales in the real estate industry, including some TV shopping platforms, such as Acorn International, which have electricity sales. If you are strong enough, you can be a professional call outsourcing company. If the strength is weak, you can take the telemarketing project and accumulate it slowly.