Room 1606, Floor 16, Building 402, Baiziwan Xili, Chaoyang District, Beijing

Beijing Hengzhixinda Trade Co., Ltd. is a professional sales company of seamless steel tubes. We are one of the five branches under You Yuan Steel Pipe Group. Since our establishment in 1999, we have ...

Nanyi Road, Dongying, Shandong, China

We are Dongying Kangyu Petroleum Engineering Technology Service Co., Ltd., located in Dongying city, where the second largest oilfield of China âï&iqu...