astm a106 a179 a192 seamless tube boiler tube for heat exchanger

ZOZEN has been designing, manufacturing and installing the most reliable and efficient industrial boilers and pressure vessels. As the main export base of industrial boilers in China, ZOZEN has made outstanding achievements in product R & D and production, products are favored by global customers.Nowadays, our products have been exported to more than 158 countries and regions, such as South Korea, Mongolia, Kazakhstan, India, Thailand, Iran, Indonesia, Philippines, Vietnam, Mexico, Columbia, Costa Rica, etc., and the international market shares are increasing year by year.
To guarantee the quality of products, 8 quality assurance systems are set, include design, technology, material physical and chemistry, welding, testing, inspection, measurement equipment, production. The CAD computer - aided design is employed on boiler production, to meet the requirement of boiler design. Many famous research institutions provide a powerful technology support, such as Xi'an Jiaotong University We have many advanced equipment on processing, welding, inspection and testing, such as CNC plasma cutting machine, high speed CNC plane drilling machine, etc.

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