Testing PurposeThe overall purpose of testing is to improve the level of safety when fireworks are used. These fireworks are to be used under rules and do their Performance meet your requirements?VIEW MORE
Testing Content1.Testing Performance .H...
Li Tián, the ancestor of Chinesefireworks, was born on April 18 in the fourth year of Wude in the Tang Dynasty (621 AD) in Mashi Village at the junction of Liling 、Shangli and Liuyang, which is on the border of Hunan and Jiangxi.VIEW MORE
According to leg...