SJS Limited focuses on manufacturing and selling complete cementing and fracturing (acidizing) equipment, special trucks (Data Van & Nitrogen Pumper Truck), downhole oil tools, well service plunger pumps, and automatic control products & systems (mixing unit for cementing truck, control system for Frac truck and CCTV).

SJS Limited supports oil and gas field customers around the globe with the equipment, tools and services to deliver downhole success. Extensive engineering, design and production resources make SERVA SJS the first choice for packers, bridge plugs, cement retainers, flow control downhole tools, coil tubing downhole tools and all related accessories, with API 11D1 and ISO 9001 certifications

Over the past decades, SJS management has adopted and developed advanced management techniques including the ISO Quality Management System, Lean Production Management System with HSE commitment to ensure our position as a world class company. SJS is registered under the ISO 9001 quality program and certified by DNV since 1999. We obtained API 11D1 certification for the downhole oil tools since 2005. Our TPD600 triplex pump is the first triplex pump designed for intermittent high pressure well service that has been ABS type certified after one million of cycle test at maximum rod load.

SJS is committed to the policy of “total commitment to customer satisfaction”. We look forward to serving your future needs and having you as a satisfied customer.