Downloads
Technical documents, certifications, and company credentials
Note on Company Name
Some certifications and technical documents were issued under our former company name Shandong Longgang Silicon Technology Co., Ltd. Following the corporate name update in 2026, Shandong Zhongzhi Chemical Technology Co., Ltd. continues operating as the same legal entity with unchanged manufacturing facilities, production team, and product portfolio.
Certificates
ISO certifications and REACH registration
Technical Documents
MSDS & Product Brochure
Export Services
Reliable worldwide shipping and documentation support
Qingdao Port Export
We arrange export shipments mainly through Qingdao Port, China — one of the busiest international ports, providing efficient worldwide logistics to Asia, Europe, the Americas, Africa and the Middle East.
Complete Export Documentation
We provide COA, MSDS, packing list, commercial invoice, bill of lading, and certificate of origin as required for smooth customs clearance in your country.
Flexible Packaging & Container Loading
25kg / 50kg bags, 500kg / 1000kg jumbo bags, and container loading options (20GP / 40HQ) with moisture-proof inner PE liners for long-distance sea transport.
