I-Qingdao sainuo yinkampani yasekhaya eyenza i-r&d kanye nokukhiqizwa kwe-Polyethylene wax, i-Special modified wax, i-EBS, i-Stearate neminye imikhiqizo yokugcoba neyokuhlakaza.Kusukela kwasungulwa inkampani iminyaka engaphezu kwe-10, izibophezele ekuthuthukiseni i-technol yokukhiqiza ...
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