hieyan has been well managed for 20 years ,with R&D ablity to develop new products,among which ,the full automatic hydraulic elbow forming machine,hydraulic automatic pipe bendign machine,full automatic muliti cylinder hydraulic pipe expanding machine obtianed antional patant .
right now ,heiyan hsa 5 senior engineers ,12 technicians ,80 loogisties and workers ,8 international traders .heiyan keeps improvement year by year .
market covers mainland
china ,america ,russia,turkey,ukraine,belarrus india,iran etc earn good reputation.
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