Characteristic:
1.Thermostatic expansion valve for use in installations with one or more refrigerants circuits, especially for series installations such as bus and train air-conditioning units, mobile air-conditioning and cooling units with O-ring connection.
2.Warm thermal head, highly dependable warming of the thermal head by the liquid refrigerant
3.Long working life due to stainless steel head and membrane welded using protective gas
4.Adjustable superheat for two-way construction
5.Fixed superheat setting for angle construction
6.Special versions (bypass, other refrigerants, etc.) on request




Through resource integration, policy response, and meeting business needs, it has developed into a professional automotive air conditioning manufacturing company that integrates research and development, design, production, sales, and service.
Achieving the integration of factory production and international trade, its products are widely used in fields such as rail transit, cold chain logistics, public transportation, passenger transportation, and new energy vehicle air conditioning.
We continue to focus on the research and application of new energy, energy conservation, emission reduction, and other novel technologies.


This enables us to achieve the commercial application of technologies such as high efficiency, environmental protection, energy saving, cooling and heating frequency conversion, and AC and DC integration in the automotive field.
1. How to choose our product?
Firstly, we are specialized in the field of vehicle including bus,coach,chassis,spare parts,truck & etc., so you can tell us what kind of vehicle or spare parts you need,and then we will recommend you the corresponding products. Secondly, you can choose the product that we show on Made-in-China.com website.
2. How to ensure the product quality?
Firstly, the products we supply were passed the Chinese & international quality system. Secondly, we will inspect the products before packing to ensure the product in good condition. Finally, you can entrust third party individuals or organizations to inspect the products before delivery.
3. How's the payment terms?
We usually accept L/C at sight, T/T before delivery, if you have other requirment you should contact with us.
4.How long is the delivery time?
The delivery time is within 15-20 days once receipt of the deposit.