Contact our team by email or contact form; we reply within 24 working hours to answer your questions.
We are a specialized manufacturer with over 10 years of experience in producing automotive seals. Our brand IVOK focuses on technical sealing solutions.
No.319, Beiding Industrial Zone, Ren County,Xingtai City, Hebei Province. You are welcome to visit our manufacturing plant anytime.
Yes, We have factory audit reports.
Yes, Exhibitions in Shanghai, Uzbekistan, etc.
We seriously control the quality as per international standard
NBR warranty 50,000KM, FKM 150,000 KM
Our warranty is for kilometer
Our factory produces millions of high-performance sealing units monthly, specializing in valve stem seals, oil seals, and gaskets, to meet global engine maintenance demand.
We have been dedicated to automotive sealing systems for over 17 years, serving both OEM and aftermarket clients.
Absolutely. We can arrange a live video tour to show you our production lines, testing equipment, and warehouse.
Yes, we are a professional manufacturing plant with our own molding and rubber mixing facilities.
To provide Deep Purified sealing solutions that ensure engine stability and zero leakage for global clients.
We frequently attend shows like Automechanika in Shanghai, Dubai, and other regional trade fairs.
Because we focus on Quality Purity and performance-driven manufacturing, especially for FKM high-heat seals.
Car, Auto.
Our primary focus is on engine valve stem seals, oil seals, valve cover gaskets, freeze plugs, and rubber O-rings.
We primarily use FKM (Viton) and NBR. Our FKM seals are heat-resistant up to 250 degrees C.
Our standard hardness is 75 plus or minus 5 Shore A, which is the optimal specification for automotive oil seals.
Yes, our FKM (Viton) valve stem seals are usually produced in reddish brown or black as per client requirements.
Our high-pressure reinforced oil seals are specifically designed for power steering and hydraulic systems.
Yes, our NBR and ACM materials are selected for their excellent resistance to engine oil and transmission fluids.
Stored in a cool, dry place away from sunlight, our seals have a shelf life of 5-10 years.
Yes, our FKM and ACM seals are designed to work perfectly with modern synthetic engine oils.
NBR is cost-effective for 120C, while FKM is premium for 250C high-heat and chemical resistance.
Yes, we provide ACM gaskets for high-performance oil resistance and durability.
Our O-rings follow AS568, DIN, and JIS standards to ensure global compatibility.
Yes, we have an in-house tooling workshop. We can open molds based on your drawings or samples.
Mold costs depend on the complexity. For bulk orders, the mold fee can be fully refunded.
Typically, mold development and first-sample production take 10-15 working days.
Yes, we can customize the mold to engrave your brand logo and part numbers on the rubber surface.
Yes, we can provide color boxes, printed bags, or neutral packaging with your private labels.
Generally, 20,000 – 50,000 pcs for custom sizes, but we can negotiate for trial batches.
Yes, send us your physical samples, and our engineers will replicate the dimensions and material specs.
We provide 5-10 pcs of free samples for in-stock items. You only need to pay the shipping cost.
Yes, if you place a mass production order later, the sample and shipping costs can be deducted.
Yes, we can produce seals in black, brown, red, blue, or any specific color you require.
Yes, we provide full OEM services including product marking and brand packaging.
Our technical team can review your application and recommend the best material and lip design.
We accept PDF, CAD (DWG/DXF), and 3D files (STP/STEP/IGS).
Yes, for high-value items or trial orders, we support small batch production to help your market test.
Yes, we can include OE numbers, barcodes, and QR codes on your customized packaging.
Yes, we can pack O-ring boxes or full engine gasket sets according to your SKU list.
We accept T/T, L/C, Western Union, and Alibaba Trade Assurance for your security.
EXW , FOB, CIF
Price is according material , package , quality , delivery time etc
Of course , we can according your order quantity to accounting good price to you .
Excluded, the price I gave you is the EXW price.
We can support 30% deposite,70% balance payment before shipment.
Sorry, we do not support monthly payments. We accept a 30% prepayment, with the remaining 70% due before shipment.
We do not support this. Please settle the payment before shipping. We can accept a 30% deposit in advance.
We do not support this. Please settle the payment before shipping. We can accept a 30% deposit in advance.
Of course, we can refund the sample fee.
Sure, FCL, LCL, All are acceptable.
Yes, We can arrange for you.
Yes, DDP is OK.
Depending on the type and quantity of your goods
Yes, we can arrange DDP shipping to the USA, Europe, and many other countries with all duties paid.
Yes, we offer tiered pricing. The larger the volume, the better the price we can offer.
Yes, we can deliver the goods to any warehouse or shipping agent within mainland China.
Once shipped, we will provide the tracking number or B/L copy immediately.
