http://www.floatingvalve.com/
Company Profile
Established in 2001,YU HUAN NATIONAL STAR PLUMBING CO.,LTD is a manufacturer for valve.The factory covers an area of 9500 square meters. We produce ball valve,float valve,angle valve,bibcock,valve fittings and so on. Our product's quality meets the most strict international standard and requirements of high quality, technical innovation, and high technology. For processing procedures, we insist on continous improvement, basically realizing the automation and modernization of production. Our products are very flexible to match with each other. The key coreparts and the main production automation equiments are all imported from Europe.
YU HUAN NATIONAL STAR has a strong bond with Yuhuan and its local residents, as Yuhuan is where our company created history and wealth. We devided to develop precise manufacturing, product's R&D, and designer training, set up testing labs, improve sales and after service, and create the outline of our staff, suppliers, and clients. To promote YU HUAN NATIONAL STAR stable and healthy development.

http://www.cnecnko.com/ CEO\'s Message
Our company adheres to the concept of focusing on quality and service, and makes continuous innovation and progress in order to provide high-quality products and services to customers at home and abroad.
Organizational Structure
General Manager - Sales Department - Finance Department - Production Supervisor - Storage Department - Technology Department - Production Department
Working Environment
The company cover total area of 2000 square meters,including 200m虏 administrative area 锛?00m虏 warehouse area and 1500m虏 production area.
R&D Capability
The company employs many excellent electrical engineers to set up a R &D department in Shanghai. The company's senior leaders have more than 20 years of experience in the relay industry, and have certain local technical resources, which can integrate the resources in the industry.
Industry Status

http://www.cameramodule.com/us....b-camera-moule/fixed camera module: SF-A2013USB-2525-H72
This 2mp camera module is equipped with an OV2710 sensor with a size of 25*25mm, which is a relatively small size among USB camera modules. The size of the lens is 13mm*13mm, and there are two round holes on the left and right sides, which is very convenient to install and remove the lens.
The lens of this 2mp camera module is fixed focus, and the lens is M12 lens, so if the lens is not glued, you can adjust the focus according to your needs. Not all fixed focus lenses can do this, only M12 lenses can.
The focus range of our standard lens is 50cm to 150cm, the focal length is 3.9mm, the F No is 3.0, the HFOV is 72 degrees, and the distortion is 1%, so the distortion of the picture is not so serious, and the imaging effect is very good. The matching lens is a long lens, the lens height is 23mm, and the overall height of the module will be relatively high.