Jiangsu Changshu Siji Sunshine Solar Energy Co., Ltd ( hereinafter referred to the Company ) is an enterprise specializing in the production of solar water heaters and solar vacuum tubes.It has the most advanced automatic continuous high vacuum exhausting system and automatic vacuum coating production lines.The Company uses the high-quality raw materials from Tianxu Group, with the most advanced production equipment, and hire professional and technical personnel involved in the production and management, which assure the good quality of products and professional technology.The Company is located at the north end of New Century Road of Changshu, a city with long history of cultures.

The Company is mainly produced the solar family water heater with two brands ?Sunshine Four Seasons? ?Four Seasons Sunshine? and also produced of the aircraft and the air source heat pump water heaters.The Company always insists people oriented principle.And its products are sell to Shandong, Shanxi, Hebei, Hubei and so on.It also export to USA and Canada, which received a good reputation and credibility.The quality is very important to our company and we always seek for innovation.To build a popular brand is our goal; We provide professional service as a platform between the customer and us.