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Shandong Unitools Machinery Co., Ltd. specializes in oilfield drilling and completion tools research and development, production and sales. We always insist to the "Integrity, Innovation,Refinement " for enterprise purposes, to "technology, service" for the founding of the team spirit. The company has 36 employees, and has 6 senior engineers and 3 professional technical qualification engineers. The company in line with customer satisfaction as the basic principle: " Scientific Management, Technique Innovation, Quality First ,Customer Satisfaction ", and constantly strengthen the overall competitiveness of enterprises, the company in the competition for development, in the challenge of seeking opportunities, I believe that our company will provide you with the best quality products and service to create brilliance.
1) Bow springs produced from high quality spring steel and heat treated to provides strong restoring forces .
2) Integral hinges designed for max load capacity for optimum design strength .
3) Single bos spring type and double bow spring type are available .
4) Size are available for all standard casing/hole ,also can customized to meet customer requirements .
5) meet API 10 specification