System certification: Zhongcheng has passed IATF 16949 and ISO14001 certification (ISO18001 and
ISO17025 are in progress)
Company safety and environmental protection construction
The company has successively invested 8 million yuan in environmental protection expenses to b uild
environmental protection infrastructure such as sewage treatment stations, garbage recycling
hazardous waste warehouses, electrification of canteens and kitchens.
In 2017, the company took the lead
in introducing a secondary safety standardization system, and passed the audit and certification of
expert group in December 2017.