Shanghai Zhonghai Technology Co., Ltd, is a privately owned enterprise with more than ten years' experiences of bicycle industry business, providing assorted bicycles,bicycle spare parts and accessories with good quality at competitive price. As an experienced supplier in this line, we have a sound, professional and experienced team to take care of all processes including purchasing, marketing, inspection, designing, order and shipment handling etc, thereby having long-term and win-win cooperation with a number of customers across the globe, not only those wholesalers, distributors, but some big name chain stores, like Tesco, Carrefour, Adidas, to name a few. We have factories to our name, producing a full range of bicycle butyl tube, the other producing bicycle frames, another producing lights etc, Through these years, we also set up a complete nationwide supplier network consisting of nearly 600 factories, some of which meet those big chain stores' requirements of ethical and technical audit. To ensure quality, before pre-shipment inspection required by customers, we also implement strict in-house quality examination first. In this way, our products can also fulfill technical demands needed for certifications like CE, EN directives conducted by testing institutions.