Scan the codeto follow us
Fax: 010-82484409
Hotline: 010-82484401 82484409; 400-000-4320(Sludge business)
Email: [email protected]; [email protected](Sludge business)
Postcode: 100080
Add: 505, 5th Floor, No.55 Suzhou Street, Haidian District, Beijing