STIN (China) BUSINESS SERVICE Co., Ltd (STIN for short) is a professional business service company in China, aiming to smooth the business between foreign buyers or sellers and their counterparts in China. We can offer all kinds of business services for foreign companies in China, covering sourcing, purchasing, business investigation, market survey, factory auditing, quality inspection (production inspection and pre-shipment inspection), and virtual office management, and Due Diligence, business guide, negotiation support, delivery support, legal contract support, sale, verification, import and export agent and so on. We can be your "buying office "or "sales office" in China, our mission is to save you more and reduce the risks in your business in China!