molecular sieve workshop-k8凯发首页
molecular sieve workshop
about us
hengyi chemiacal is a high-tech enterprise specializing in the production of various kinds of alumina and catalyst. it is the largest professional research, production and sales enterprise in the domestic active alumina industry at present.
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contact us
- no.108 industrial road, hi-tech development zone, zibo, shandong, china
- [email protected]
- www.hengyichemical.com