In early March 2019, Wuxi Yosun Environmental Protection Equipment Co., Ltd. received demands for help from a local company in Wuxi. They are feedback on the aging of the company's sewage treatment equipment was ineffective.

After received the invitation, Yosun Environmental Protection Equipment Co.,Ltd organizes and arranges technicians and constructors to go to the site for equipment renovation and debugging.

With the efforts of Yosun environmental protection technicians for a week, not only the equipment is refreshed, the air flotation is reopened, the treatment effect has been greatly improved, and solved the problem that the sewage has not been discharged up to the standard. It has been recognized and praised by customers.

The following is a comparison of the pre-and post-transformation pictures: