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As a socially responsible enterprise, the Party Branch of Guangdong Shunde Seko Machinery Technology Co., Ltd. has always adhered to the business philosophy of "taking from society and giving back to society," leading the employees of Guangdong Hangao Technology Co., Ltd.

How it works: This is a simple "heat up - cool down fast" process. It uses a protective gas mix (mostly nitrogen with 5%~10% hydrogen) to keep the pipe from rusting.

From the heat exchangers in petrochemical refineries to the hydraulic lines inside earth-moving equipment, metal tubes quietly carry the fluids and gases that keep industrial supply chains alive.

Global demand for precision welded tube has grown at 5.2 percent CAGR since 2019, driven by solar racking, automotive lightweighting and high rise HVAC systems.