Swivel Sub

Quzhou Shenjian Machinery Factory has a complete production system. We have 30 CNC lathes, 3 milling machines, 2 friction welding machines, 1 machining center, and 1 steel pipe upsetting machine. The product is a custom-made product. Customers need to specify the outer thread size, inner thread size, and length. We produce according to the customer's drawings. The main material is 40Cr alloy steel. The connection type is a rotating union. The rated pressure is 1.0 MPa. The thread specifications are customizable. The applicable media are compressed air or clean water. This swivel sub allows rotation while maintaining a sealed connection.

We hold 12 national utility model patents. Several of these patents cover drill rod joint heat treatment quenching devices and rod surface burr grinding devices. We apply these technologies in our production. For custom products, we ask for 50% deposit and 50% balance payment. We offer discounts for large orders. The discount amount depends on the order quantity. We allow mixed orders. Different models or sizes can go in one order. We support EXW, FOB, and DDP trade terms. We discuss the specific terms with each customer. We accept USD, EUR, and GBP payments. This swivel sub is built with our patented processes for better performance.

We handle after-sales service through online channels. Customers can contact us online if they need to adjust the thread specifications or applicable media of the swivel sub. We arrange production based on the drawings. We do not offer long-term warranties. The sub is a wear part. If goods are damaged during transport, we advise customers to contact the shipping company. We do not accept third-party inspections. We can make samples, but samples are not free. The minimum order quantity depends on the drawings. This product is a reliable choice for rotating connections in air or water systems.

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