|Best Weight Capacity||30kg/pcs|
|Service life||500000 life tests|
|Transmission Roller Size||6 inch|
|Opening Direction||Don't have to distinguish right from left|
|Opening Degree||Max angle 180°|
|Closing Force||Freely adjustable|
|Closing Speed||Freely adjustable|
There is no distinction between left open, right open, inside open, outside open.More convenient procurement,
installation more worry.
Speed follow your heart, lock or mute switch freely.
Hydraulic transmission system, Easy to install .
D. Adopt hydraulic oil, stable performance, not easy to leak oil, smooth opening and closing without noise .
E. Two pieces bearing 75kg are suitable for 99% of doors on the market.Why Choose us
1. The world's biggest floor spring manufacturer in China.Daily productionover 15,000PCS
2. The factory has three production base located in ZHEJIANG ,ANHUI,JIANGSU three province. The area cover 72,000 square meters.
3. Over 33 years producing experience. Ripe production process.
4. Impeccable testing system covered from raw material,components,semi-finished products.
5. HAIDA has own national test laboratory (Intertek Satellite Lab)to make sure the growth of our company.Workshop & Lab
Q: What is the minimum quantity ?
No MOQ,We can sell even 1PCS
Q: How long is the delivery time?
10 to 30days,depend on your order quantity
Q: Can you send samples before place the order
Yes,sure.we can provide samples for quality checking.
Q: Do you provide OEM service?
Q: How about the payment terms ?
T/T,D/P,L/C,Paypal,Western union and cash all acceptable.
Q: How about your quality warranty?
When the products got problem during our warranty period,we will provide