> Dual CPU single chip intelligent control technology, microcomputer control, humanized design long lifetime |
In the past three years,the number of R&D projects involved was 15,and the results of the project were transformed into more than 40 models.Among them,2 were filled with domestic blanks and the overall technology reached the international level,10 were in the domestic leading or advanced level,and 16 were obtained National Patent.R&D projects are as follows:
Q1: How to install the solar system?
A:Tell us your demand,then we will help designing it.
Q2:How about the delivery time?
A:7-30 days after payment.
Q3:What's the warranty about the products?
A:1 Year,can be extended.
Q4:Do you have any certificate?
A:Yes,we got CCC, CE,SAA,TUV,etc.You can find the detailed picture in our website.
Email: sales3(@)grandsolar.cn
Mob./Wechat: +8618062923557
Whatsapp: +8615258852509
http://www.grandglow.net/
278, Zhongshan Avenue, Huangjinshan, Huangshi, Hubei Province, China 435000
Specialized in solar inverter and related products design for over 10 years.