GuangDong ShanTou Chengda Electron Industrial Co., Ltd specializes in the R&D, production and sale of electronic calculator. Meanwhile, the company undertakes processing business of relevant electronic gifts and electronic products, and we also customize and design relevant products. SiJiTon and K-MAC are the registered trademarks of products of the company. All the products of the company are designed and produced by the national industrial standards and attain the quality and technological appraisal of the national quality inspection authority. Customer is the God of enterprise, quality is the lifeline of enterprise, and trust is the soul of enterprise. Therefore , the company consistently persist in "put profit of customer and quality of product in the important position". The tenet of the company is :Be honest to people and make friends extensively; stress trust and strive for reputation; open up thoughts and persist in innovation; endeavor for success and strive for endless progress! The world is in a continuous process of development. It is our sincere hope to keep pace with the development of the world and age in conjunction with our friends at domestic and overseas