Who we are?
GRANA is a Chinese-owned, China-based company headquartered in Changzhou city in the 2001 year, near Shanghai. We have been helping our clients manufacture their products in China for over 15 years.
Our serving business field in HVAC professional Products e.g Aluminum refrigeration tubes, microchannel aluminum tube for heat exchangers, condenser coils in the Automobile industry and commercial and home refrigeration equipment & appliances.
Today, Grana is a full-service custom manufacturing facilitator that delivers the HVAC goods for worldwide customers. Grana has become super-connector with Chinese manufacturing, helping our clients to find appropriate factories which have a reputation for inconsistent quality, delivery time and breaking down the traditional barrier in the business process
As a result, GRANA has now become one of the most trusted China manufacturing experts in China
GRANA founder, Jenny Cheng, Exporters of refrigeration tubing products made in China. She has deep in HVAC products for many years.
From downstream manufacturing to upstream manufacturing, involved with complete HVAC industrial chain. She is very familiar China manufacturing factories, Especially Chinese business culture and habit.
Knowing how to deal with the relationship between manufacturing factories and wholesale and distributor from wide world.
helping our clients manufacture their products in China and avoid challenges manufacturing in China.
Our serving business field in HVAC professional Products (Heating, Ventilation and Air Conditioning Industry),
For the kind of quality and reliability that wholesale or distributor demand, GRANA knows there’s more involved with manufacturing in China than low-cost labor or savings in products itself and duties.
There’s the responsibility for precise quality control. There’s the security of long-term relationships.
HVAC Spare parts for Heating, Ventilation and Air Conditioning Industry.
Aluminum tubing for commercial and home refrigeration equipment & appliances.
Parallel Micro-channel tube for condenser coils and heat exchangers in the automobile.
Aluminum Multi-port extrusion for fin-tube heat exchangers and condensing coils.