D型快速接头 (Type D/QD)

常见问题:

• Q: How long has the company been established?

  A:More than 20 years.

• Q: Are you a trading company or manufacture?

  A:We are professional manufacturer of stainless steel ball valves, pipe fittings, quick couplings and casting products.

• Q: What is your delivery date?

  A:Depends on quantity. Normally it would be 40 days.

• Q: Do you provide free samples?

  A:Free sample but shipping is not free.

• Q: What information do you need from me if I want to inquire?

  A:The valve type or product picture, material, normal diameter, temperature range, connection type, operation or drawing.

• Q: How do you control your quality?

  A:a). We purchased a lot of test equipments from Germany.
  b). Our own QC system and professional team ensure the quality