Spiral Angle Bladed Centralizer/nylon Casing Centralizer

Puyang Zhongshi Group Co., Ltd. is a member of Sinopec Corporation. As a national high-tech enterprise and scientific enterprise, we launch business in areas of science & technology, industry, and trade. Our products have attained ISO9000 quality system certification. Some petroleum product machinery have passed the evaluation of API certification in the United States. Our products are exported to the Middle East, Europe, Africa and other overseas markets. We have register...