Electric flow rate adjusting valve (needle valve). The set flow rate can be remotely adjusted.   Industry: Semiconductor manufacturing process ( ... WhatsApp me if you interested https://m.hlyet.com/index.php?ws=showproducts&products_id=2744425

Manual flow rate adjusting valve (needle valve).   Industry: Semiconductor manufacturing process (pre-process) WhatsApp me if you interested https://m.hlyet.com/index.php?ws=showproducts&products_id=2744428

Manual flow rate adjusting valve that can adjust ultra-low flow rates.   Industry:   WhatsApp me if you interested https://m.hlyet.com/index.php?ws=showproducts&products_id=2744438