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standard:API SPEC 5CT, API SPEC 5D API SPEC 5L steel Grade:J55 K55 N80-1 N80-Q N80-...
Quality Api Oil Steel Pipe / API Carbon Steel Pipe Name: Oil Steel Pipe Standard: A...
Cottonseed Oil Filling Machine ---fj2014dt112 Specifications of Cottonseed Oil ...
Filters are designed by their manufacturers to transmit or absorb different wavelengt...
Optical window is optical glass with grinding and polished faces that are parallel to...
Rod Lenses are highly polished small diameter rods made of optically transparent homo...
We supply kinds of optical lenses for optical instrument.Main optical lenses include ...
Achromatic Lenses/cemented lenses/glued lenses/doulets are achromatic consists of a p...
Wedge prism is an optical element having plane-inclined surfaces, usually the faces a...
We deal into collections and exportation of the below listed scraps materials: 1. HM...
We deal into collections and exportation of the below listed scraps materials: 1. ...