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Wenzhou Kasin Valve Pipe Fitting Co.Ltd (Wenzhou JELTON Hardware Machinery Co.Ltd) is located in Binhai Zone, Economic&Technical Zone, Wenzhou city, China .Which has been certified by ISO 9001:2015, our company own TS certificate (No.TS271080K-2019), API -6A ( License No.: 6A-2347)

we have 12 years' experience in Manufacturing and exporting ring joint gasket. 

Kasin-Jelton have two workshops. 1st one is Forging workshop to produce forged raw material ;2nd one is Processing  workshop, Which is to make the ring joint gasket by CNC machine.So no matter in raw material and finished gasket,the quality and delivery time  can be  guaranteed.

Our products range are  R/RX/BX/IX Gasket and other kind of special gasket .

Material is Soft Iron, Low carbon steel,316SS,304SS,321SS,347SS, 410SS ,Inconel 625,Monel ,Inconel 825, 4C6% Chrome 1/2% Mol(F5)

Why choose Kasin-Jelton
(1)  Quality proceeded As per API-6A standard
(2) All ring joint gasket is made of solid bar by forging and heat treatment, not casting.
(3) With perfect tensile, forged gaskets can work well in high pressure and high temperature. Meanwhile, it has long lifetime.

(4) Casting’s tensile is not well comparing with forged, so it has risk leakage in high pressure and high temperature,and its lifetime is shorter than forged.

(5) Strict Quality Inspection: Chemical composition testing,Hardness testing, dimension testing.
(6) Fast Delivery, we own our forged workshop and CNC workshop. So fast delivery can be guaranteed.
(7) We are directly exporter and manufacturer. So there are no intermediary cost involved.
Our market is America, Southeast Asia,Middle East,Europe ,Africa and etc.
Best quality with best Price, welcome to cooperate with any business friend from the world !

About Us

KASIN.JELTON is a professional manufacturer specialized in high-performance sealing products, 

mainly focusing on ring joint gaskets, metal gaskets, sanitary fittings and related fluid control components.

With ISO9001 quality management system certification, 

TS pressure equipment certification and membership of China Valve Association, 

we strictly follow international industry standards for product development and production.

Our products are widely applied in oil & gas, offshore drilling, petrochemical, 

power generation and marine engineering projects.

We have rich experience serving overseas clients, 

providing reliable sealing solutions for high pressure and high temperature working conditions.

Equipped with mature production workshop and precise testing facilities, 

we support customized sizes, material options and third-party inspection. 

Our core goal is to deliver durable, cost-effective sealing products and long-term technical support

for global engineering contractors.

We welcome worldwide partners to establish stable business cooperation and win-win partnership.

FAQ

Q1: What products does KASIN.JELTON supply?

A: We specialize in manufacturing ring joint gaskets (RTJ gaskets) for oil & gas, wellhead, valve and pipeline systems. We offer R, RX, BX series ring gaskets complying with API 6A standard. Custom sizes and material options are available.

Q2: What certifications do you have?

A: We hold ISO 9001, TS271080K and China Valve Association certification. Our RTJ gaskets are fully manufactured to API 6A specifications for high pressure & high temperature service.

Q3: What materials are available for ring joint gaskets?

A: Available materials include carbon steel, 304, 316L, F304, F316L, Inconel, Monel, Hastelloy and other alloy grades. Material selection depends on working pressure, temperature and medium.

Q4: What is the delivery time?

A: Standard sizes: 3–7 working days. Custom non-standard sizes: 7–15 working days, subject to order quantity and material availability.

Q5: Can you make custom ring joint gaskets?

A: Yes. We accept custom drawings, non-standard dimensions and special material requirements. Please send us your drawing or technical parameters for quotation.

Q6: What pressure classes do your RTJ gaskets support?

A: Our ring joint gaskets cover Class 150, 300, 600, 900, 1500, 2500, up to API 6A high pressure ratings for wellhead applications.

Q7: Do you provide samples?

A: Yes, samples are available. Sample cost and freight will be charged, and sample cost can be deducted from your bulk order later.

Q8: What are your payment terms?

A: We accept T/T (Telegraphic Transfer). 30% deposit before production, balance before shipment. Other terms can be negotiated for long-term cooperation.

Q9: What packaging do you use?

A: Each gasket is protected by anti-rust oil and plastic film, packed in wooden cases for sea or air shipment to avoid damage during transit.

Q10: What is your MOQ?

A: Small orders are acceptable. MOQ depends on size and material. Please contact us for details.

Q11: Which markets do you mainly export to?

A: Our products are widely exported to the Middle East, Europe, Southeast Asia, Africa and America, serving oilfield, pipeline and valve engineering projects.

Q12: Can you offer technical support?

A: Yes. Our engineering team can assist with gasket type selection, material recommendation and flange mating guidance.