https://jupiterlist.com/story/manufacturer-of-pfa-american-standard-brass-fittings-pfb-european-standard-brass-fittings-pfd-oem-brass-fittings-pfg-high-precision-brass-alloy-components-for-5g-communication-and-etc/

"PROFLEX PRECISION MANUFACTURING CO.,LTD. established in 2010, is an outstanding manufacturer specialized in research and development and production of qualified brass fittings and components in Taizhou, China. Now our production area covers more than 10000m2 and production capacity surpasses 2 million sets per month.

What we are producing and supplying mainly including
American Standards Brass Fittings such as PEX Crimp Fittings F1807 with NSF certified to NSF/ANSI 61 and 372. Hose Barb Fittings, Pipe Thread Fittings, Compression Fittings, Garden Hose Fittings, Flare Fittings and so on.
EN1254 and other European Standards Brass Fittings such asCompression Fittings for Copper Tube approved by WRAS and KIWA;
Brass Capillary Soldering Fittings;
Compression Fittings for PE, PEX, PEX-AL-PEX Pipes;
Universal Thread Fittings for Iron Pipes and other plumbing connecting.
Slide Fittings with Crimp Rings for PEX, PEX-AL-PEX Pipes
Press Fittings for PEX-AL-PEX Pipes.
Brass Inserts for PPR, PVC Fittings injection. Customized and OEM Fittings for instrumentation, fluid, hydraulic and pneumatic systems etc.
High Precision Brass Alloy Components for 5G Communication.
High Precision Components for New Energy Vehicle Industries.
High Precision Components for Automation Industries."