We manufacture stainless steel fittings, ball valves, flanges, and OEM metal parts in 304 and 316 grades — investment casting + CNC machining, BSP / NPT threads, no MOQ. Supplying importers and distributors worldwide since 2004.
Since 2004, JINSON Fittings has provided the highest quality custom industrial fittings & ball valves for a wide range of industries.
We believe in transparency, the photos below offer a closer look at our equipment, workshop environment,
and processing capability that support stable production and reliable quality.
















At JINSON, we believe manufacturing is not only about making parts, but about building trust through every detail. Stable quality, clear communication, and practical solutions are always at the heart of our work.
From stainless steel fittings and ball valves to OEM projects based on drawings or samples, we are committed to providing reliable products and long-term support for every customer we work with.
Our investment casting workshop handles full-process production in-house — from wax injection and shell building to dewaxing and pouring. This ensures dimensional consistency and surface quality from the very first batch.
Our CNC lathes with indexing chucks allow precise multi-face machining in a single setup — reducing tolerance errors and shortening lead times for complex thread and fitting geometries.
Our automatic CNC machining lines run continuous production with minimal manual intervention — maintaining consistent tolerances across large batches while keeping delivery schedules reliable.
For our regular products, we also provide bespoke services — whether for the product itself or its packaging.
Using the 3-piece ball valve handle as an example:
Default stainless steel finish. Handle color and body markings follow standard production specifications — ready to ship from stock.
Request This Option →Handle color customizable — popular for brand consistency or pipeline color coding. Available in most RAL colors at no significant tooling cost.
Request This Option →Laser engraving or pad printing available on handle or body. Your logo, model number, or custom text. Minimum quantity may apply.
Request This Option →
Our team responds within 24 hours. Share your project details and we'll find the right solution together.
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