Nhà máy biến tần Trung Quốc cho đối tác công nghiệp
Biến tần cho OEM, nhà phân phối và dự án điều khiển công nghiệp
Harristian cung cấp giải pháp biến tần trực tiếp từ nhà máy với tùy chỉnh OEM, hỗ trợ kỹ thuật và năng lực sản xuất ổn định cho khách hàng B2B toàn cầu.
Các dòng sản phẩm biến tần cho nguồn cung công nghiệp

HRSTI 320 Series Simple General Purpose VFDs
- Price-oriented VFDS
- Highly competitive price advantage
- NO RS485 communication
- NO braking units
- Power range:
IN 1PH 220V, OUT 3PH 220V 0.4kw~5.5kw
IN 3PH 220V, OUT 3PH 220V 0.4kw~5.5kw
IN 3PH 380V, OUT 3PH 380V 0.4kw~11kw

HRSTI 321 Series Simple General Purpose VFDs
- Upgraded version of the 320 Series
- Price-oriented VFDS
- Highly competitive price advantage
- Equipped with RS485 communication
- Equipped with braking units
- Power range:
IN 1PH 220V, OUT 3PH 220V 0.4kw~5.5kw
IN 3PH 220V, OUT 3PH 220V 0.4kw~5.5kw
IN 3PH 380V, OUT 3PH 380V 0.4kw~11kw

HRSTI 720 Series High-Performance General Purpose VFDs
- Performance-oriented VFDs
- Highly competitive performance advantage
- Equipped with RS485 communication
- Equipped with braking units
- Power range:
IN 1PH 220V, OUT 3PH 220V 0.75kw~5.5kw
IN 3PH 220V, OUT 3PH 220V 0.75kw~55kw
IN 3PH 380V, OUT 3PH 380V 0.75kw~630kw

HRSTI 293 Series Input 1PH 220V Output 3PH 380V VFDs
- Price-oriented VFDS
- Highly competitive price advantage
- Equipped with RS485 communication
- Single-phase 220V input
- Three-phase 380V output
- Power range:
0.75KW ~ 5.5KW
About Harristian
HHaishang Electric Co., Ltd. (Brand: HRSTI, Harristian) is a trusted manufacturer based in Anhui, China, specializing in variable frequency drives (VFDs) for low-voltage industrial control.
With CE-certified products and three R&D centers, HRSTI delivers safe, reliable, and innovative solutions for commercial and industrial applications.
Our 30,000 m² facility features advanced automation across seven assembly lines, dedicated VFD production workshops, and a skilled team of over 200 employees — including Ph.D. and master’s degree holders. Over 50% of our team are experts in variable frequency drives, ensuring top-tier product quality, performance, and technical support. We are committed to offering the most professional and effective VFDs solutions in the industry.









