BKN-PL...A quick twist pipe joint

Science and technology enterprise certificate

Throttle valve patent certificate

All-metal double seal quick-insert terminal connector patent

All metal quick insert right Angle terminal joint patent

All-metal double seal quick-insert joint patent

Patented all-metal quick-insert terminal connector

All metal quick insert right Angle joint patent

All metal quick insert tee joint patent

Patent for terminal joint thread with seal ring

All metal quick-insert straight joint patent

Design patent certificate

Mini straight through patent

Double control large flow exhaust valve patent

Double control large flow exhaust valve patent

Thread through patent certificate

Sades-BKN Quick screw seriesManual

2023-03-23

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