由北京市宏海利经贸有限责任公司研制开发出的，多模箱浇注成型石膏空心砌块机近期试车成功。该产品的技术设计属国内首创，是替代生产实心石膏砌块机的新设备，此产品的生产工艺和配方等已申请了国家专利，专利号为01261106.9。　　为推广使用绿色环保建材产品，我国从20 Developed by Beijing Hong Haili Economic and Trade Co., Ltd., the successful trial of the multi-mold box cast gypsum hollow block machine has recently been successful. The technical design of the product is a national initiative, is a new alternative to the production of solid gypsum block machine, the production process and formulation of this product has applied for a national patent, patent number is 01261106.9. To promote the use of green building materials products, our country from 20