1.QUALITY CONTROL

Henan Sunwit do strict quality control during the whole procession. All the products adopt GB,ISO, ASTM, BS,JIS and DIN standard as per requirement.

2.OUR SERVICE

(1) Prompt reply: At Sunwit, we understand the importance of quick response and dependable service, we are 24 hours on line to discuss our capabilities and services, and assist you with your refractory related need.
(2) Professional sales team: Qualified professional foreign trade personnel provide high efficiency service during each sales section.
(3) Professional after sales service: Over 20 years OEM experience for furnace and kiln heater, we have strong service sense and professional service, providing consulting and assembling on site from our technical engineers.

3.R&D

(1).Over 20 years of professional production, Sunwit has its own R&D team, it has more than 60 people, including 8 doctors and 16 masters. It is equipped by more than 80 sets of national and international advanced level scientific research and testing equipments. Such as scanning electron microscope, diffracto meter, the parallel hot wire thermal conductivity tester, integrated thermal analyzer, refractoriness experimental furnace, full automatic mercury injection apparatus, high temperature flexural experiment instrument, high temperature creep and RUL tester, rotary slag resistance experiment furnace, reheating test furnace, vacuum induction furnace, water simulation experiment apparatus of steel making system, etc.
(2).Henan Sunwit keeps technical cooperation with Chinese top universities and Japanese Kurosaki Harima Company. Composite silicon brick products which rewarded National patent were co-developed with ZHENGZHOU University.