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    Guangdong Long Machinery Co., Ltd. was built in 1967. Formerly known as the defense industry companies - state-owned machinery factory Long March; 2002, the company transformed into joint stock companies. The company is located in the city celebrities - Zhongshan City, Guangdong Province, covers an area of 43000㎡, production workshop 15,000 square meters. Our main products are pressure vessels, welding gas cylinder, and a cylinder production line testing..........

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      • 概要:

        Thisstandardappliestonormalambienttemperature-40─60℃use,thetestpressureislesstha...

      • 概要:

        Generalizedcylindersshouldincludedifferentpressures,differentvolumes,differentst...

      • 概要:

        Thisstandardappliestonormalambienttemperature-40─60℃use,thetestpressureislesstha...

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