Profile: SHENZHEN WINJOIN OILFIELD SERVICE CO., LTD. is engaged in the project design to oil, natural gas and petrochemical industry. We offer products exploration and manufacturing, as well as procurement & other project services. Our fasteners & pipes are used in oil exploration under water. We use a fluoropolymer coating and an alloy for our fasteners which cause low friction, resistance to abrasion & corrosion and cater to the above mentioned environment.