Hangzhou Huayue Tools Co.,Ltd. is specialized in manufacturing various wrenches that meet the ANSI standard of the U.S.and the DIN standard of the Germany.It has a product range covering mirror-polishing series¡¢double open end and various types of 3rd and 4th version wrenches. The manufacuring techniques and all teh testing instruments come from Taiwan. The company has an annual output of 20 million units of wrenches. All the products are sold to the European and American market and gained wide acceptance and favorable reputation from the customers.