handan doublepeak technology co.,ltd.

  handan doublepeak technology company is located in beautiful handan city.

  The company professionally engages in supplying various standard nuts (GB, JIS, BSW, ASME, DIN) and high strength nuts in many industries, such as automobile, construction, decoration, machinery, vessel, railway and so on, grade range: 4, 6, 8, 10; integrating manufacturing, developing, selling, and service into an organic whole.