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Fujian Longking
Manufacturer / factory · Fujian · Est. 1971
Main products: Dust collectors, flue-gas desulfurization, air-pollution control
Unclaimed · public record
Not yet claimed
View profileEnvironmental Protection manufacturers in China
China builds a large share of the world’s water-treatment equipment (RO systems, membranes), air purifiers and filters, dust collectors and recycling machinery. Clusters: Beijing and Jiangsu for membranes; Guangdong and Zhejiang for purifiers and RO; Shandong and Henan for recycling and waste equipment.
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Litree Purifying Technology
Manufacturer / factory · Hainan · Est. 1992
Main products: Ultrafiltration membranes, water purifiers
Unclaimed · public record
Not yet claimed
View profileB
Beijing OriginWater Technology
Manufacturer / factory · Beijing · Est. 2001
Main products: MBR membranes, water treatment systems, household purifiers
Unclaimed · public record
Not yet claimed
View profileBuying guide: Environmental Protection from China
NSF/ANSI 42, 53, 58 (RO) and 372 (lead-free) are what US retailers and plumbing codes expect; WQA or IAPMO certification is equivalent. Ask for certificates by model, not just “NSF components”.
CARB certification (ozone) is mandatory for sale in California; AHAM Verifide CADR ratings are expected by consumers; UL 867/UL 507 for electrical safety; Energy Star for efficiency.
For RO plants, dust collectors and recycling lines, request P&IDs, component brand lists (membranes, pumps, PLCs), performance guarantees and commissioning support terms in the contract.