4th floor,Shengzhong Mansion Dongying, Shandong

Dongying Eternal Petro-Tech Co., Ltd. is a technological enterprise that mainly undertakes the scientific research, production, distribution as well as technological services of oil additives, oil dri...

No. 4 Duchang Road, Qingdao, Shandong Province, China

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26th Floor, CTA Fortune Centre, Changsha, Hunan, China

We, Hunan Shinestar Group is one of the biggest steel manufacture, which is made by four factories and one trade company. We are specialized in seamless steel pipe, spiral welded steel pipes &...