Petroleum Equipment & Machinery

API Casing Tools Bow Spring Centralizers

Zhengzhou Maierda Petroleum Equipment Co., Ltd.

API High Quality Spiral Stamped Centralizer

Shijiazhuang DiBo Petroleum Machinery Co., Ltd.

Made by Quality Suppliers Stop Collar Casing Centralizer

Shijiazhuang DiBo Petroleum Machinery Co., Ltd.

5′′x6-1/8′′ Non-Weld Rigid Positive Centralizer

Shijiazhuang DiBo Petroleum Machinery Co., Ltd.

API Cementing Accessories Stop Rings (Collars)

Zhengzhou Maierda Petroleum Equipment Co., Ltd.

API Rubber Plug for Cementing

CasingSize(in)CasingWeightRangeWiperFinO.DWorkingTemperatureWorkingPressureBurstPressureHardnessmminmmin41/2"14.14-17.269.50-11.601104.331-30ºCto150ºC≥15MP1MP-2MP75-955"17.11-35.8611.50-24.101

Puyang Zhongshi Group Co., Ltd.

Stainless Steel Stop Collar with Set Screws

Basic Info. Model NO. ZS67

Puyang Zhongshi Group Co., Ltd.

The Integral Centralizer for Petroleum Tool

Shijiazhuang DiBo Petroleum Machinery Co., Ltd.

Cementing Stopper/Top and Bottom Rubber Plug for Oil Drilling

CasingSpecificationO.DofRubberCupin.kg/mlb/ftmmin.4-1/214.14-17.269.50-11.601104.331517.11-35.8611.50-24.101224.8035-1/220.83-39.8814.00-26.801355.315725&peri

Puyang Zhongshi Group Co., Ltd.

Downhole Esp Cable Protector Cross Coupling Cable Clamp

Basic Info. Origin Ningbo, China

NINGBO QS MACHINERY INC.