... of science and technology, and also has gained the native patent. The durable alloy whole founded AFC Pan is casted in ... casting technique of the scraper conveyor obtained the national invention patent. Available specifications: SGZ630, SGZ730 and SGZ880. SGZ-630 scraper conveyor ...
... double fender, clutch screw compression device using a new clutch (patent), with high efficiency, compact structure, stable performance, rational design, no ...
... , calcium carbonate drilling mud, preservative agent for paper making, organic synthesis catalyzer2) used in epuration of petroleum product, gum latex storage ...
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