Manufacturing in Changyi — How Zhongzhi Produces Silicates
Industrial silicate production in Changyi, Shandong since 2011
Sodium metasilicate grade RFQ
For sodium metasilicate grades (anhydrous, pentahydrate, granules), the export product page lists the grade line. Submit the RFQ on this site:
Zhongzhi Chemical manufactures industrial silicates at our own plant in Changyi, Shandong. This page describes plant capacity, the production lines, quality documents, and how orders are packed and loaded. For product grades and specifications, see Products.
Plant Capacity
- 30,000 m² production base in Changyi, Shandong
- 100,000+ tons annual production capacity
- Manufacturing since 2011
- Production planned against confirmed orders
- Stable batch-to-batch consistency
Multi-Product Silicate Lines
The Changyi site supplies a silicate portfolio rather than a single grade: sodium silicate (liquid and solid), instant powder sodium silicate, potassium silicate, lithium silicate, sodium orthosilicate, and metasilicate grades. Specifications, packing and loading figures are listed on each product page.
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Quality Control Documents
Downloads allowlist
- ISO 9001:2015, ISO 14001, REACH-EU, KKDIK and K-REACH files when published at
/pack-v1/ - Raw material inspection and production monitoring
- Finished-product laboratory testing before shipment
- SDS and typical stamped COA samples on Downloads. Grade TDS is linked only when the pack v1 TDS binary is in place. Lot-specific COAs ship with each order.
Buyer documents are on Downloads. Catalog and brochure are not TDS.
Packing and Loading
- 25 kg bags, jumbo bags, or own-label packing confirmed per order
- Container loading at Qingdao Port
- Standard orders produced within 7 working days; shipment within 14 days
Company and Plant Background
Shandong Zhongzhi Chemical Technology Co., Ltd. (formerly Shandong Longgang Silicon Technology Co., Ltd.) operates this manufacturing site. Legal-entity details, the name transition, and industry-standard participation records are on About and Company History.
