• Shouguang Kunlong Petroleum Machinery Co., Ltd. lies in world well-known vegetable city - Shouguang. We enjoy a good place surrounded by convenient communication network.
  
  Our company is a modern joint-stock enterprise, which specially produces petroleum machinery. We obtained ISO9001:2000 Standard Quality Management System Certificate in 2003 and passed the examination of National Production License for industrial products. Then we were granted with National Production License for Industrial Products (sucker rod pumps) in August. We became a electronic procurement member of energy ahead.com in 2004. Our company has been granted with National Production License for industrial products (sucker rods and sucker rod couplings) and API Certificate for sucker rod pumps, sucker rods and sucker rod couplings in 2007.
  
  Our products are as follows:
  1. Different types of sucker rod pumps with one piece of barrel, anti-sand sucker rod pumps with long plunger, sucker rod pumps, production-injection sucker rod pumps with long-plunger, hydraulic feedback sucker rod pumps, anti-corrosive dual-valve pumps and other special sucker rod pumps and relevant fitting parts.
  2. Sucker polished rods, alloy-painted high-strength anti-corrosive polished rods, super high-strength sucker rods, thick oil extraction used hollow rods, screw pump used solid & hollow drive rods.
  3. Centrifugal atmospheric and boosting water injection pumps and related fitting parts.
  4. Multi-function sealing devices for polished rods, suck rod aligning fittings, thread-off preventing devices, roller centralizers, sucker rod couplings, oil casing couplings, eccentric-wearproof spray-welded couplings and their fitting parts. Parts and accessories for submersible electric pumps and tools.

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• Company Profile
  Company Name:	Shouguang Kunlong Petroleum Machinery Co., Ltd
  Business Type:	Manufacturer/Factory
  Product/Service:	sucker rod; sucker rod pump; sucker rod coupling; sucker polished rod; ;
  Number of Employees:	100 ~ 500

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• sucker rod sucker rod pump sucker rod coupling sucker polished rod