No.228,Nanyi Road

Dongying Kangyu Petroleum Engineering Technology Service Co.,Ltd located in the Yellow river delta city-Dongying City, the base of the second largest oilfield in China, Shengli Oilfield. The company&a...

1#Building, 15#-1302, 26, Jingde Road

Qingdao Singho Industrial Company Ltd. is recognized as a qualified and proven producer and supplier of castings and finished machined parts to a wide range of industries. <br/> &...

LIUQUAN ROAD

...