In November 2024, Qingdao Haina Energy Environmental Protection Technology Development Co., Ltd. was rated as an AAA credit enterprise by Beijing Crown Speed Credit Management, with a validity period of 3 years.

In November 2024, Qingdao Haina Energy Environmental Protection Technology Development Co., Ltd. was rated as an AAA credit enterprise by Beijing Crown Speed Credit Management, with a validity period of 3 years.

Aluminum rolling production is a continuous and high-intensity operation, in whi…
With thousands of sails setting forth, we are bound to succeed! In the new year,…
hank you for your trust and entrustment over the past year. In the new year, may…
Qingdao Hainan Energy Environmental Protection Technology, a holder of major env…