13 companies listed.
Chinese factories, mostly in the Shandong (Dezhou, Ningjin) and Jiangsu (Nantong) clusters. Most offer OEM and export worldwide.
Need quotes from several of these? Send one request.
Confirm the company is the factory and not a trading company: ask for the business licence and a video call from the production floor. Check ISO 9001 in IAF CertSearch, ask for EN ISO 20957 test reports for the models you want, and book a third-party pre-shipment inspection.