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New Type Power Adjustable Super Heavy Duty 450KGS Floor Spring

 A. 2,000,000cycles tested , Long Sevice life

 B. ANSI/BHMA 156.4 Grade 1 Certification

 C. Power adjustable from EN1~EN6, suit for 60kg-450kg doors

 D. Door width upto 1600mm,

 E. Applicable for big glass door, big wooden door, big brass door
 F. Inside built with the safety valve , to protect the door from big wind or extra force

Product Details

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

Certification

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?
Yes,we do

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 


Packing & Shipping