GrandSeed client Box Factory Chongqing ondun Technology Co., Ltd. This company\'s wave soldering production line and other production equipment are provided by GrandSeed . For more than ten years, GrandSeed has been using the development strategy of continuous improvement to meet the customers\' needs. GrandSeed people are always willing to be customers\' free purchasers and customers\' production scheme planners. The following are some customers of one-stop shopping service provided by GrandSeed .