This instrument is designed and made as per GB/T17144-1997 Standard Test Method for Carbon Residue of Petroleum Products-Micromethod. It is suitable to determine the the amount of carbon residue of petroleum products.
Shanghai Changji Geological Instrument Co.,Ltd is established in 1998,the former is Shanghai Geological Instrument Factory under the Ministry of the National Geology and Mineral Resource.
Changji has four major series and more than 200 types products: more 140 types petroleum instruments,more 60 types highway instruments,each 10 types for laboratory instruments,Rotary viscosity instruments and geological instruments.Also we develop and produce more than 30 kinds of non-standard instruments according to the clients' special requirements each year.It depends on the complete category products,strong matching capacity and fast development ability,its products are not only widely used in China,but also sold and welcomed in 20 countries.
1. Are your products competitive?
Sure, we are leading manufacturers in China with more than 30 years' experience and professional team, we can guarantee high quality, provide training and good after-sales service.