China Kos Valves Co, .ltd

China Kos Valves Co, .ltd has been in business since 1998, which is longer than most new valve suppliers and suggests experience in the market. They offer a full range of common industrial valves — angle, check, ball, and gate — making them a solid option for buyers needing multiple valve types. Being headquartered in China gives them access to large manufacturing networks and low production costs. However, none of their key verification points — work email, phone number, or business documents — are confirmed, which raises concerns about legitimacy and ability to fulfill orders reliably. Buyers should request additional proof before placing large orders or committing to long-term supply. Without verified contact or documents, it's hard to trust their responsiveness or delivery timelines. This lack of verification is common among older suppliers who may not have updated their digital presence, so buyers must take extra steps to verify their identity.