Shenzhen QWW Energy Co.,Ltd: Founded in 2012, QWW Co., Ltd locating in Shenzhen China, is a high-tech company, our business integrated with research, development, production and sales of lithium-ion
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JL-22 and JL-29 casing spools feature a versatile straight bore design with 45°landing shoulder to support maximum casing loads, and accept a wide variety of slip and mandrel type casing hangers,
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High quality copper flat washers with high conductivity perfect for electrical connections on household and commercial appliances, automotive and marine uses in which the power source has a
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