About Us
Introduction
Tseyu International Trading Co., Ltd. is a well-established manufacturer and marketer in Hong Kong for over 40 years. Our holding company Shen You Holdings Limited is listed on the Hong Kong Stock Exchange (Listing Number: 8377) since December, 2017. We specialize in manufacturing high performance sewing threads. Today we have already evolved into a market-driven and service-oriented organization supported by a strong manufacturing base in China.
Tseyu at Present
Tseyu is one of the largest thread manufacturers in Hong Kong with the highest number of colours (more than 1,500 colours) available for customer choices. Our mission is to exceed your expectation. To achieve this we are committed to the principles of comprehensive quality control to assure the best quality standard that guarantee excellence.

Toray and Tenjiin Raw Material


Ring Frame


Yarn Count Strength Test


Doubling and twisting



Temperature and Wear Resistance Lubricant


High Temperature Cone Dyeing


Soft Cone Winding


Twist and Strength Test

Color Matching


Fastness Test


Thread Winding and finishing


Final Test Packaging and Storing


Customer
Strict Quality Control
Toward our product’s quality, we undertake strict control over all raw materials. Today our factory – Guangzhou Xinhua Thread Co., Ltd has been found to conform to the Quality Management System Standard: ISO 9001:2015/GB/T 19001-2016.

Dyestuff
As a means of achieving brilliant and fast colours, all our dyestuffs are of high quality and imported from many advanced countries.

High Temperature and High Pressure Dyeing Process
We ensure high temperature and high pressure dyeing machines to assure the colour fastness and the washing fastness is up to the international standard.

Advanced Winding Machines
For the aspect of sewing thread machinery, we have installed “VOLKMANN” twisting machines and the winding machine “THREAD KING” to wind the threads in cone form automatically.
