Main Exhibits：Chengfa Petroleum Science and Technology Co., Ltd. is a high-tech chemical enterprise specializing in the research and development, production, sales and service of petroleum additives series products, tunnel shield slurry and trenchless treatment agents.

Main Exhibits：Nitrogen Membrane Generators, Oxygen and Nitrogen PSAs, Oxygen VPSAs, Hydrogen Generation / Purification systems, and other specialised gas separation systems.

Main Exhibits：Biodegradable Material

Main Exhibits：Fluid Cylinder、Subsea Ring Forging apply to Frac Pump、Subsea

Main Exhibits：Degradable temporary plugging agent、Self-generated acid fracturing liquid additive

Main Exhibits：Stainless steel loose sleeve Farlane, valve bracket, connecting shaft, octagonal sleeve, stamping handwheel and various valve accessories

Main Exhibits：RG has complete petroleum product system which cover 12 varieties with over 200 products including skid-mounted drilling rigs, truck-mounted drilling rigs, trailer-mounted drilling rigs, offshore workover equipment, water well drilling rig, solid control system, well logging equipment, petroleum special vehicles, top drive system, mud pump system.

Main Exhibits：Wide and narrow band fusion intercom terminal Datang H958, Public network intercom + DMR dual standby, Prepositive professional intercom loudspeaker, Support various positioning modes, IP68 grade waterproof and dustproof, Professional pogo PIN interface, support external accessories.