Qingdao sainuo yog ib lub tuam txhab domestic koom nrog r & d thiab zus tau tej cov Polyethylene wax, Tshwj xeeb hloov ciab, EBS, Stearate thiab lwm yam lubricating thiab dispersing khoom.Txij li thaum tsim lub tuam txhab ntau tshaj 10 xyoo, tau cog lus rau txoj kev loj hlob ntawm ntau lawm technol ...
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