Joneng is a leading China longitudinal sight glass manufacturer, supplier and exporter. Adhering to the pursuit of perfect quality of products, so that our longitudinal sight glass have been satisfied by many customers. Extreme design, quality raw materials, high performance and competitive price are what every customer wants, and that's also what we can offer you. Of course, also essential is our perfect after-sales service. If you are interested in our longitudinal sight glass services, you can consult us now, we will reply to you in time!
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.
