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- Precision tubes order for GPC are inspected四 07, 2017
- Haihao Group look forward to the 17th Russia International Oil and Gas Equipment and Technology Exhibition四 01, 2017
- Haihao Pipe Fitting Factory supplys lateral tees to project in Vietnam三 30, 2017
- Latrolet production and specification in Haihao Pipe Fittings Factory三 24, 2017
- Socket welding & thread lateral tee production and specification三 22, 2017
- Butt welding lateral tee production and specification of Haihao Pipe Fittings Factory三 20, 2017
- Seamless lateral tee and welded lateral tee information三 17, 2017
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- Lateral pipe fittings definitions and types in Haihao Group三 13, 2017
