Qingdao Zihe Company Limited is a group company, which business covers tyres, chemicals, investment castings. Qingdao Zihe Industrial Company is one of its subsidiary companies, which focus mainly on investment casting. Qingdao Arestone Tyre Co., Limited, is another subsidiary company, which is a professional tyre supplier. Qingdao Zihe Chemical Company Limited is a professional chemical material company.

Qingdao Zihe Industrial Company
We are professional manufacturer of investment casting of various carbon steel, stainless steel, alloy steel and duplex steel for a wide range of industries.
The main technology include medium frequency induction furnace melting process, water glass lost wax casting process, silica sol investment casting process and silica sol-water glass composite investment casting process. Adopting the most advanced investment casting process, the company has manufactured more than 500 kinds of investment castings in stainless steel, alloy steel and carbon steel, etc., for the industries of valve, automobile, construction engineering, marine, food processing, medical, power transmission line as well as general machinery and equipment etc. The output is over 1000 Tons per year.
We have strict and efficient quality guarantee system in accordance with ISO 9001-2000. Base on the highest quality, the most reasonable price, and the most considerable customer service, we enjoy a good reputation among the customers from U. S. A., Germany, France, Japan, Holland, Italy, England, Australia and many other countries, and has become one of the best suppliers of them.

Qingdao Arestone Tyre Co., Limited
Our tyre company can design, manufacture and export a wide range of tyres, including PCR, LTR, UHP, TBR, OTR, AGR, Industrial and TBB tyres.
We have a professional technical team, which guarantees absolute R&D advantages. We can design and develop new sizes and patterns according to the demands of our customers.
Our main brand is ARESTONE. We also act as the agent of more than 20 famous Chinese tyre brands.
Arestone has obtained ISO/TS16949, CCC, DOT, GCC, SONCAP and E-MARK certificates, with advanced equipment, high quality materials and strict quality control systems. Our products are sold to more than 50 countries and regions, including the Middle East, Southeast Asia, Africa, South America, Europe, America, etc.

Look forward to establishing long term relationship with you on mutual benefit!