From business website we know you. Now, we are writing to you to establish long-term trade relations. We are enclosing 2 quotation sheets. Our company Shenzhen Haoyunlai Electronic Technology Co., Ltd is a Hi-tech industry-led comprehensive enterprise which contains the R&D, manufacture and sales of medical device, software development, website establishment and promotion, design and manufacture of precise plastic mould, manufacture of plastic product and the R&D, manufacture and sales of electronic product.