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一些石油化工仓库的管理人员来信询问,何处可购防爆工具,现答复如下:石家庄市防爆工具厂生产的方宝牌防爆工具,在第37届布鲁塞尔尤里卡世界发明博览会上获得了金奖。过去,生产防爆工具用的材料是铍青铜,价格高,这个厂改为以铝青铜为主要原料,制作成功,降低了生产成本。最近,他们采用了压铸的方法,使产品的外表更加美观,内部结构细密,硬度和强度都有了提高。为了进一步提高硬度,他们还与上海交通大学共
Some petrochemical warehouse managers sent a letter asking where to buy explosion-proof tools, the following reply: Fangbao explosion-proof tool factory in Shijiazhuang City, explosion-proof tools, in the 37th Brussels Eureka World Invention Expo received a gold medal. In the past, the material used to produce the explosion-proof tools was beryllium bronze, which was of a high price. The factory changed to aluminum bronze as the main raw material, making it successful and reducing production costs. Recently, they used a die-casting method to make the appearance of the product more beautiful, the internal structure of fine, hardness and strength have improved. In order to further improve the hardness, they also with the Shanghai Jiaotong University