(2) Central air conditioning series products: The joint venture company has introduced international leading products such as vertical fully enclosed screw chiller and lithium bromide absorption chiller, which are at the advanced level in this field;
(3) Casting series products: the annual output of castings is 40,000 tons, and the precision castings are10.5 million tons, making it one of the most competitive enterprises in the domestic casting industry;
④ Sealing material products: the market share of sealing gasket ranks first in the same industry in China, and the product technology and quality level reach the domestic leading level;
⑤ Cogeneration boiler: a joint venture with Hyundai Heavy Industry Co., Ltd. of Korea to produce energy-saving Cogeneration circulating fluidized bed boiler with clean combustion technology;
⑥ High-parameter valves: joint venture with South Korea's Sanxin Co., Ltd. to produce high-end valves such as thermal power and nuclear power that fill the domestic gap and rely on imports for a long time;
⑦ Plastic profile and pipe products: the annual output of plastic profile is 20,000 tons, and the pipe is 1 10,000 tons.