Daqing Longxing Petroleum Machinery Co., Ltd.

ADDRESS:Yingfeng Village, Saertu District, Daqing City, Heilongjiang Province

BUSINESS SCOPE: Sucker rod processing, valve processing, metal surface treatment and heat treatment processing; pipe rod pump repair, auto parts, hardware and electrical products, chemical products (excluding dangerous chemicals, flammable and explosive products and highly toxic drugs), daily use Processing and sales of groceries, building materials, oil drilling equipment and accessories; maintenance of reactors, pumps, and air conditioners; manufacturing of structural metal products, guardrails, tubing, casing, mechanical seals, and general instruments (except for projects that are prohibited from investment by the state); General cargo road transportation; metal doors and windows, metal daily necessities (except for the projects prohibited by the above two countries), board houses, metal tableware and utensils, cement products, fire-fighting metal products, mechanical equipment and accessories, special equipment for environmental protection, Manufacturing and maintenance of gears and gearboxes; maintenance of agricultural machinery; physical cleaning services of pipelines and mechanical equipment, anti-corrosion and thermal insulation engineering services, advertising production services; research and development of oil drilling technology, research and development of special equipment for oil drilling and production; sales and maintenance of refrigeration equipment; Sales of instruments and meters, kitchen utensils, chemical reagents and auxiliaries (excluding hazardous chemicals, flammable and explosive materials and highly toxic drugs); solid waste treatment; furnace burner repair, ultrapure water production equipment repair, sludge Dehydration device repair, generator set repair, instrument and meter repair, cementing and fracturing equipment repair, oil drilling special equipment and accessories repair; boiler and auxiliary equipment professional repair; valve repair; mechanical and electrical equipment installation services, oil and water wells and pipeline physical cleaning services ; Boiler level B cleaning, see "Boiler Chemical Cleaning Unit Capability Certificate" certificate number: HTDQ007, valid until November 19, 2022; industrial equipment C-level high pressure water jet cleaning, see "Industrial equipment high pressure water jet cleaning unit capability Certificate" certificate number: HTGQ006, valid until November 19, 2022; C-level chemical cleaning of industrial equipment, see "Industrial Equipment Chemical Cleaning Unit Capability Certificate" Certificate number: HTGQ005, valid until November 19, 2022; high-pressure water jet Cleaning level B (see "Industrial Cleaning Enterprise Qualification Certificate" certificate number: ICAC-WL(B)-2018-063 is valid until December 05, 2021; chemical cleaning level B (see "Industrial Cleaning Enterprise Qualification Certificate" certificate number: ICAC-HX(B)-2020-024, valid until August 27, 2023); inspection, evaluation, repair, and chemical cleaning of the anti-corrosion layer and cathodic protection system outside the pipeline, as well as the first-level construction of chemical cleaning engineering (see "China National Defense Corrosion Construction Qualification Certificate" , Serial number: CIATA0476, valid until September 11, 2023).

E-MAIL:longxing_w@163.com;babymelon@126.com