professional manufacturer & exporter

Phone/whatsApp/Skype: +86 19173134958

Email: sales@qsinstrument.com

Add: Wanjiali Middle Road, Yuhua District, Changsha, Hunan, China

QianShuo(QS) Instrument

professional manufacturer & exporter of the gas sensor, gas detector

one stop shop with order and after sale experience

Contact us for prompt reply~