... equipmentsC. High skilled workersD. Strict scientific management FAQ Q: How long is the warranty period of your products?A: Our hose warranty ... T/T, L/C, D/A, D/P, etc.Q: How long is the delivery time?A: Usually 30 days for one 20ft ... container. Dongying Guangyou Rubber Co.,Ltd is one of the best China car washing hose manufacturers and suppliers, welcome ...