Скачать или смотреть Copper pipe production process and welding process.

Yuexin (Tianjin) Artificial Environment Engineering Technology Co., Ltd. is committed to the trade of refrigeration and heating equipment and central air conditioning industry. Our main products are fan coil units, air handling unit, air source heat pumps, chillers and central air conditioning parts.
We provide you with one-stop service to fully meet your needs. What you need is what we provide.
We have professional and stable high-quality factory supply, which provides guarantee for product quality, delivery time and professional after-sales service. The chief technical engineer has 10+ years experience in HVAC industry and has developed hundreds of independent projects. He is willing to answer any professional questions for you.
Our products are exported to Europe, Asia, North America and other countries, and are well received by customers.
Email: [email protected]