Hongkong wechem chemical is wholly owned by Shanghai Wechem Chemical Co., Ltd Wechem?is?a?Chinese?supplier?of?advanced?materials?.?We?supply?Gases?,?chemicals?,?and?related?products?to?our?customers?in?China?and?worldwide?,?who?are?in?various?industrial?fields?,?such?as?steel?,?ship?building?,?semiconductor?,?optical?fiber?,?medical?,?food?industries?.? Wechem?core?competencies?that?allow?us?to?thrive?in?a?competitive?market?place?are?:? ??????-??Efficient?Operations? ??????-??Quality?Deliver...