Shandong First Valves Co., Ltd. is a research, development; Specialized in production and marketing. With 5 years of detergent experience, our experts provide the best R&D services, we look forward to working with international customers as soon as possible for any production and quality assurance inquiries. Clean with the most modern production facilities for the highest quality of "Advanced, Innovative, Fast and Inclusive Work". We strive for a clean and safe operating environment. Company development Together with all partners, we are preparing for the next step. Our products include: Prefabricated Flats, buy a porta potty, Prefab Guard Shack With Restroom, Single Slope Metal Building Home, Prebuilt Warehouse, 20x20 Metal Building, Prefab Barn House, sandwich panel house design, Lofted Barn Cabin Home, 20 By 30 Steel Building