In-sail/Sandum is dedicated to manufacturing of precision components and the design, fabrication of engineering specialty fasteners and fastening solution development.

We got rich experience and solid technical base as well as advanced facilities to meet the OEM need of all industries. Totally we own automatic lathes, CNC lathes, CNC machining centers, stamping machines, cold heading machines and other machines, which add up to almost 500. Our clients, who are in industries like automotive, medical equipment, consumer electronics, fiber optic, automation, aerospace and precision instrument, spread all over the Greater Chinese region, Europe and North America.

We stress our importance in the fastening field, especially when refers to the insert fasteners. We are one of the few Chinese companies who had tight cooperation and connections with worldwide famous fastener giants on the insert for plastics, sheet metal fasteners, self-tapping threaded insert, we are the top manufacturer of those fastener in China. Our abundant ranges and excellent quality have won good reputation both in homeland and abroad.

Since the inception, we have been sticking to the enterprise philosophy- [Integrity & Responsibility, Best Quality, Customer First, long term Operation] and striving to continual innovation and improvement. We have established our R&D System, Process System, QC System and Customer Service System to support company development and customer needs. We work tightly with our customers to develop new products and markets, from the prototyping to massive production, we offer our best qualified products, optimized lead time and services to reduce cost and create values for our customers.

In-saiL is pleased to create bright future with you!