http://www.hwm-parts.com/ Concrete Mixer Discharge Gate Parts Made in China Our History Maanshan Huawei Machinery Technology Co., Ltd. Are a professional manufacturer and exporter of concrete mixer spare parts and cast iron products, located in Manshan, Anhui Province, China. Our products have been manufactured over 15 years, and we have been established business relationships with many famous companies all over the world. Our products are very popular in overseas markets on account of our superior quality and competitive prices. We have a strong engineer team to make our products comply with customers' requirements, a good operatio