Shanghai Harden Tools Co., Ltd. is a leading company, which specializes in the manufacturing, product development, sales and service of hardware tools and devotes itself to providing industriallevel hardware tools with high cost-performance ratio. After years of development, we have businesspartners in more than 50 countries, with offices for R/D and sales in Germany, etc. Nowadays, and“HARDEN” brand have grown up to be the first choice for customers at home and abroad, becomingtheir trustworthy partners.