Shenzhen Chengyu Technology Development Co., Ltd. is a high-tech enterprise dedicated to the R&D of digital video recording (DVR) products and CCTV cameras. Now we have become one of the leading manufacturers and suppliers of DVR products and CCTV cameras in China thanks to the support and trust of our clients. We are also one of the few DVR and CCTV cameras manufacturers in the world to R&D DVR products independently. Our products include stand-alone DVRs, DVR cards, CCTV cameras and accessories. Our DVR cards include Kodicom cards, Avermedia cards, PICO2000, and the WDT series. Our CCTV cameras include All-In-One cameras, day / night cameras, dome cameras, CCD board cameras, wireless AV cameras, and flying disk cameras. Our Shenzhen office has around 50 employees and our factory has more than 1,000 workers. With two SMT lines and four assembly lines in China, Chengyu is striving to become the market leader in DVR cards and CCTV cameras. Shenzhen Chengyu Technology Development Co., Ltd. commonly receives recognition and high praise from clients worldwide, especially regarding our strong R&D capabilities and exceptional technical after-sale service. Our products are exported to worldwide markets covering more than 50 countries and regions including the USA, the UK, Portugal, Poland, and Brazil. Chengyu has adopted different strategies for its two different markets. In the domestic market, the Chengyu brand has great brand recognition. In overseas markets, we are seeking partnerships with OEM corporations around the world. With "provide value for customers" as our guiding principle, we have established long-term cooperation with our customers in trade such as OEM/ODM international trade based on equality, and mutual benefit. We strive to supply the newest and best quality products to meet our customers' special needs. Shenzhen Chengyu Technology Development Co., Ltd. is looking forward to establishing mutually beneficial business relationships and expanding our product lines with friends from all over the world.