The butterfly sight glass is a new design, through excellent processing technology and high-quality raw materials, the performance of butterfly sight glass up to a higher standard. We are perfect for every detail of the butterfly sight glass, guarantee the quality level, so as to bring you the perfect product experience. Joneng is a professional China butterfly sight glass manufacturer and supplier, if you are looking for the best butterfly sight glass with low price, consult us now!
JoNeng valves company was started in 2007. Located in the stainless steel industry zone, Wenzhou, China. Totally 130nos of workers and the factory Covers 5000m2.
