1. Fully enclosed compressor refrigeration, large cooling capacity and low noise;
2. Stainless steel heating bath, stainless steel heating tube, circulating pump circulation;
3. Microcomputer temperature control, PID temperature control, PT100 temperature sensor, high precision;
4. A set of standard adsorption device with thermal bath circulation system;
5. Equipped with wax precipitation cylinder, filter funnel and dewaxing device;

Hunan Addition Instruments and Apparatus Co., Ltd. integrates researching,manufacturing and selling of petrochemical analysis instruments into a whole. Established in 2008 for research and development, and established as a sales department in 2015. Addition not only maintains the tradition of stable analytical instrument performance and exquisite craftsmanship, but also improves product performance and accuracy, and makes our products more intelligent, humanized, and personalized.

Our company adheres to the principle of “Quality and Customer First”, and the spirit of “Innovation and Excellence”, and uses unremitting efforts and wisdom to provide customers with high-quality products. Our company has served thousands of companies, and our products have been exported to fifty countries, and stability of our products are deeply admired and sustained by old and new buyers at home and abroad.

Addition Instruments is always listening to its users and thriving to perfect its products.

1. who are we?
We are based in Hunan, China, start from 2015,sell to Mid East(50.00%). There are total about 11-50 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
Automatic Octane Number of Engine Fuel Tester,Automatic Life Performance of Wheel Bearing Grease Tester,Foaming Characteristics of Lubricating Oils Tester,Apparent Viscosity of Engine Oils Tester,Automatic Borderline Pumping Temperature of Engine Oil Tester

4. why should you buy from us not from other suppliers?
Hunan Addition Instruments and Apparatus Co., Ltd. integrates researching, manufacturing and selling of petrochemical analysis instruments into a whole.

5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,CIP,FCA,CPT,Express Delivery；
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,GBP,CNY,CHF;
Accepted Payment Type: T/T,L/C,MoneyGram,Credit Card,PayPal,Western Union,Cash;
Language Spoken:English,Chinese