Shanghai Jianyan Technology Co., Ltd. is a Chinese manufacturer specializing in the development and production of metal bar code, high temperature metal bar code, high temperature ceramic bar code, crystal glue label and other kinds of labels, with more than 10 years of professional experience. The main products are: high temperature metal bar code, ceramic bar code label, laser sign, crystal glue sign, crystal glue wall paste, hollow label, ceramic gift customization, etc.The company has advanced precision machinery and equipment, including engraving machine, dispensing machine, screen printing machine, laser etching machine, laser printer and so on.Our advantage is factory direct selling, competitive price, quality control, fast delivery.