Sunjoy Shenzhen Sunjoy Plastic Hardware Technology Electronics Co.( Ltd. was established in 2014. The original company was Hongying Technology Co.) Ltd. which was registered in Hong Kong. The company is Sublimation machines, coated cups plotters, Sublimation consumables Professional manufacturers and sellers of crystal imaging, corporate gifts personalized gifts and other industries related to thermal transfer technology. In 2014, the company invested capital into a Sublimation mobile phone case production plant which is mainly engaged in 3D mobile phone cases, 2D mobile phone cases etc. In 2015, the company introduced several sets of advanced equipment to undertake professional customized services for promotional gifts for domestic and foreign customers.br