DN15 ordinary type gas appliance connection stainless steel corrugated flexible hose S type 3C certi

DN10 gas appliance connection metal-coated flexible hose with 3C certificate

DN10 ordinary type gas appliance connection stainless steel corrugated flexible hose S type 3C certi

DN10 ordinary type gas appliance connection stainless steel corrugated flexible hose CS type 3C cert

DN10 Ultra-Soft Type Gas Appliance Connection Stainless Steel Waveform Flexible Tube S-Type 3C Certi

CSA Certification Certificate

Gas product certification certificate 2

Gas product certification certificate 3

Zhejiang Technology-based Small and Medium-sized Enterprise Certificate

High-tech Enterprise Certificate

Occupational Health & Safety Management System Certification

Environmental Management System Certification

Quality Management System Certification

Gas product certification certificate 2

Gas product certification certificate

Product Certification Certificate

Utility Model Patent - A Card-Connecting Type Covered Flexible Pipe for Gas Appliances

Utility Model Patent - A Conical Hard Connection Sealing Structure for a Stainless Steel Wave-shaped

Utility Model Patent - A Sealed Metal Flexible Tube

Utility Model Patent - A Deep Ring Wave Stainless Steel Flexible Tube with Facilitated Sealing Funct

Utility Model Patent - A Metal Flexible Pipe Connector Beneficial for Impact Resistance

Utility Model Patent - A Metal Flexible Tube That Can Be Easily Disassembled

Utility Model Patent - An Anti-Impact and Anti-Fall-off Metal Flexible Tube Connector

Utility Model Patent - A Wave-shaped Metal Tube Resistant to Bending

Utility Model Patent - A Straightening Device for Cutting Metal Tubing

Utility Model Patent - A Socket-Type Connection Head for Metal Wave Tube

Utility Model Patent - An Integrated Circulating Wave Connection Pipe for a Cooking Appliance

Utility Model Patent - A Device for Adjusting the Length of Ring Wave Forming

Utility Model Patent - A High-Strength, Corrosion-Resistant, Shallow Ring Wave Stainless Steel Corru

Utility Model Patent - A Quick Coupling for Non-standard Scaled Metal Wave Pipes

Utility Model Patent - An Explosion-proof Connector for the Inlet and Outlet Ends of a Stainless Ste

Invention Patent - A Precise Cutting Device for Processing Gas Pipes

Invention Patent - An Extrusion Installation Equipment for Sealing Gasket at the Connection End of G

Invention Patent - A Drilling Equipment for Gas Metal Flexible Pipe Fixing Rings