Qingdao Techwell Power Co., Ltd. is one of the leading suppliers of CONCRETE MIXER and HEAVY MACHINE SPARE PARTS for around 6 years. Techwellpower products has been distributed to more than 30 countries with annual sales amount over USD 20 million. CONCRETE MIXER is our core business. We have full range of mixers from CM100 -800L. Especially our CM350/400/450/500/600L with 3.5mm thickness drum thickness and top level welding process in China. Outside treated by powder coating ,which makes our mixers very competitive in the market.We welcome all clients who are interested in our products to visit our factory, and we hope to make friends with clients from all over the world. We will provide professional 24 hours service for your marketing.