99久久精品久久久久久ai换脸,成人免费av片,性高潮影院,精品suv一区二区三区,国产精品99久久久久久宅女,91秒拍国产福利一区,亚洲美女在线一区

Consult/ contact:

Tel: +86 25 58368180

 

Fax: +86 25 58368185 

Mob:18915903007

 

tanshiyuan@njchem.net

Safe and Clean Production

As a responsible company, we made great investment in the facilities of safety, health and environment. We established in all plants the dust removal and filtration system, the waste water treatment plant and worker hygiene center etc.. In terms of HSE management, we established the safety standard operation system and the clean production system which were authorized and approved by professional institute and government department.