... , light trucks, heavy trucks, motorcycles, Tubeless Tyre valve for car Our company was established twelve years ago as Ningbo Zhongda ... the sales office, the central warehouse, the factory, today’s firm can rely on an indoor surface area of over ... motorcycles, etc.2) Conform to international standard3) Cold, Heat and Ozone Resistant4) Materials available natural rubber and EPDM rubber5) Various colors ...