... the leading position in the field in China.what is more,whose quality is higher than international industry average(eg:American ... oil,compressed gas,calcium syrup,phosphoric acid,calcium chloride,diesel oil,soft water,acid etc. Vinh Thang Automation JSCDiesel measurement ... Iron and Steel Groupcoalgas,water,sewage,tar oil.sulfuric acid,regenerated acid,heavy oil measuring Shanxi Coking Co., Ltd.methanol ...