Gansu gas fire extinguishing equipment, gas high-pressure pipe fittings, pressure relief ports, smart water cannons Industrial water systems, foam fire extinguishing systems, gas fire extinguishing systems. Mainly aimed at large-scale petroleum, chemical industry, factories and mines and other industrial projects. 1. Sales of industrial water system equipment products. The main products are: antifreeze and anti-collision bolts, antifreeze self-draining fire protection
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