Puyang Zhongshi Group Co., Ltd.
Zhengzhou, Henan, China
We are leading products are pumping unit, tubing pump & sucker rod pump, cementing accessories, down-hole tools, wellhead (x-mas tree), drilling solid control series, pressure vessel, camping house, air cannon, belt feeder and so on.
We are leading products are pumping unit, tubing pump & sucker rod pump, cementing accessories, down-hole tools, wellhead (x-mas tree), drilling solid control series, pressure vessel, camping house, air cannon,
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Metalized sapphire windows are created by applying thin layers of chrome, nickel and gold around the edge of a sapphire window. This metalized edge creates a surface that can be soldered or bonded directly into
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