We are a famous manufacturer of acid dyestuffs in China. Our main product of acid dyestuffs has the best quality with cheapest price. Our company is a joint-ventured company, which is invested by Zhejiang Longsheng Group Co.,Ltd, Big Sunshine Co.,Ltd ect. It was found in June 2001,and the registered capital of it is $200,000,000.It mainly produces Acid dyestuffs and direct dyestuffs of "Sinsun" Brand. The quality is of the leading level in the same occupation.

Now there are 155 employee in the company, 32 of them have achieved the bachelor degree or above and 2 dyeing experts. At the same time, the company possesses the most advanced infrared dyeing machine, UV ultraviolet analyzer, light-division equipment and so on, and more than 30 sets of precise. Test instruments manufactured in Europe, Japan, or Taiwan. The company manufactures the acid dyes with xinsun brand, which will become the famous product of this kind in the world because of its eminent quality.