DHJF-4005

DHJF-8005

It can replace dry ice and liquid nitrogen to have low temperature reactions and has high precision of temperature control. It is mainly used for cooling and heating up

flasks, beakers, and tubes and so on and ensuring them constant temperature, etc.

It is used for experiments, detection and identification in hospitals, scientific research

institutions, universities in biological enzyme and other fields.      

(1) Digital setting and display of temperature.

(2)Fully enclosed magnetic stirrer can ensure stirring stability.

(3)It can be equipped with built-in two stage stirring and can work with stirring within the reaction vessel to maintain temperature of materials even and consistent.

(4)Adjustable capping caliber can reduce secondary refrigerant consumption.

(5)Equipped with a fixed link, it is easy for placement and fixation of buret, sensors

And other equipped devices .

(6) Compressors of International famous brand with high reliability and efficiency.

(7)Tapping port is set to facilitate the staff for the replacement of bath liquid.

We have Standard wooden or carton boxes for you. Goods will be shipped by air or sea.

Sending our E-mails, We will reply you in 24 hours.

We have 1 year warranty, timely supply,  diagnosis and repair your ordering goods  for you.

We will deliver your ordering goods on time.

Zhenghzou Greatwall Scientific Industrial and Trade Co, Ltd. is a company for scientific experimental instrument and industrial related equipments integrated with researching, developing, manufacturing, and managing. The company not only keeps promise in high quality to products and high service to consumers, but also pays more attention on technological innovation.Company was established in 1988 located in Zhengzhou, Henan. We have more than 25 years of experience for providing you high quality products. The number of employees is more than 200 people. The company products have more than ten series and one hundred types of lab equipments include multiple-use circulating water vacuum pump, rotary evaporator, glass reactor and so on. 

* On March 23th, 2015,  "the Middle East Dubai Exhibition of Experimental Apparatus

     and Analytical Equipments” was opened in Dubai’s International Exhibition Centre

     (World Trade Centre). Our company was invited to attend the Dubai's exhibition

ISO 9001 : 2008 Standard

Why do you choose Zhengzhou Greatwall?

Our company was established in 1988, we have more than 25 years of experience for providing you high quality products. The company keeps promises and strictly abides by the contracts. It servers for development of education, science and industry based on high quality goods, excellent performance and flawless after-sales service. Our company has become the first enterprise passed ISO9001 International Quality System Attestation in the same domestic industry.

Where have we already sold?

At present, Zhengzhou Greatwall Company has multilevel cooperation relationship with domestic universities and scientific institutions. The domestic branch offices and business agents are distributed more than 20 areas. There are agents in Taiwan, Hong kong and Macau. For the international markets, the products of the company are facing over Asia, Europe and America now. There are our agents in Korea, Canada and India etc, Products are sold to the United States, Italy, and so on.

what' s our products' advantages?

A. Trustworthy brand, high quality and competitive prices between others.

B. Strictly quality management when producing.

C. Professional team work, from designing, developing, producing, packing and shipping.

D. After-sale services, we have one year warranty if there is quality problem, we will let us professional technicist to deal with our products’ problem.