Main Exhibits:Oild Field Chains: DALONG is the manufacturer who developed and produced the first batch of chains for Chinese Oil Fields, and has remained the No.1 market place and highest quality standard since then for 70 years.
Main Exhibits:Our core products include high-speed conductive slip rings, micro conductive slip rings, and long-life conductive slip rings. We also provide high-end slip ring products and design dynamic stress, dynamic pressure, and dynamic temperature testing systems for the market.
Main Exhibits:We specialize in the manufacturing, and repair of drilling mechanical parts such as wear-band sleeves, stabilizer, drill collars, pulser components, and near-bit tools. Moreover, we are dedicated to the development and application of technologies including laser cladding for non-magnetic wear-resistant strips, internal hole laser cladding, pulsed laser precision welding,HVOF and brush plating.
Main Exhibits:Equipment: Various PVD series coating equipment such as multi - arc ion vacuum plating (pure ion coating), magnetron sputtering, electron beam evaporation plating, as well as CVD series coating equipment. Series of Coating Layers: Metal nitrides, carbon - based hard coating layers, metal and alloy coating layers, ceramic coating layers, etc.
Main Exhibits:Our company focuses on the research and development of wastewater/waste gas treatment technology for oil/gas exploitation, which can be used for gas and crude oil treatment, refined oil purification, sewage treatment, etc. Our business includes: skid and process system design (precise design, model making, report or small sample machine), skid construction (planning project structure and system, covering the whole process from construction drawing design to equipment site installation), process