China Professional Factory Standard Rubber O-ring Seal

O-Ring Tolerance Table：

GB/T3672-2002

Idt  ISO 3302-1:1996

Customized rubber tolerance grade:

A) M1 grade,for precision excellent quality Customized rubber

B) M2 grade,for excellent quality Customized rubber

C) M3 grade,for good quality Customized rubber

Remark：F stand for regular size which will change when mold move

                C stand for width size which don’t change when mold move

Q1. What is the normal lead time for product orders?
A: Average lead times for prototype / first article are 1-2 weeks, if tooling is involved, lead time for production tooling is 10days, average production time after sample approval is 2-3 weeks.

Q2: How to check the quality of the bulk order?
A1: We provide preproduction samples before mass production for all customers if needed.
A2: We provide quality certs such as measurement report, material data sheet, COO, COA, etc. to all customers before delivery.
A3: We accept third party inspection such as S G S, TUV, INTERTEK, BV, etc.

Q3: Can you supply different color materials?

A: Yes, we can produce custom molded rubber and silicone rubber products in different colors, the color code will be required in case of an order.

Q4. What is your standard packing?

A: All the goods will be packed by carton box and loaded with pallets. Special packing method can be accepted when needed.

Q5. What's the payment term?

A: We accept T/T 30% deposit and 70% balance against copy of B/L or L/C at sight, West Union,VISA,Paypal is also accepted.