Petroleum Equipment & Machinery

Cementing Tools

Shijiazhuang DiBo Petroleum Machinery Co., Ltd.

Oilwell Mechanical and Hydraulic Liner Hanger Manufacturer

Zhengzhou Maierda Petroleum Equipment Co., Ltd.

PDC Drillable Top and Bottom Cementing Plugs for Cementing

Zhengzhou Maierda Petroleum Equipment Co., Ltd.

API Centralizer 7X8 1/2′′ Steel Aluminium-Alloy Centralizer for Oil Well

Shijiazhuang DiBo Petroleum Machinery Co., Ltd.

Integral Bow Spring Centralizer for 4.5" Casing and 6" Hole

Casing & Hole DiameterHEIGHTMMφ88.9mm*φ117.5mm(3½″×4 5/8″)365φ101.6mm*φ117.5mm(4″×4 5/8″)365φ114mm*φ152.4mm(4½″×6″)365&

Puyang Zhongshi Group Co., Ltd.

API High Quality Integral Casing Centralizer

Shijiazhuang DiBo Petroleum Machinery Co., Ltd.

Straight Vane Aluminum Alloy Centralizer (Solid Body Centralizer)

Zhengzhou Maierda Petroleum Equipment Co., Ltd.

Casing Centralizer Production Composite Centralizer

Shijiazhuang DiBo Petroleum Machinery Co., Ltd.

Customized Precision Metal Die Casting for Machinery Parts

Basic Info. Origin Ningbo, China

NINGBO QS MACHINERY INC.

API 4-1/2′′x6 Oil Casing Non-Weld Rigid Positive Centralizer

Shijiazhuang DiBo Petroleum Machinery Co., Ltd.