Competitive price Aluminum sliding window and door heavy duty adjustable roller

3H Inc. is a professional Manufacturer of  construction hardware in China. Welcome to visit our factory.
*You can choose our design,and we also have OEM or ODM service.
* Good service,fast feedback,fast delivery and reasonable price.We are worth being trust .

1.Introduction of Our Company 

 1) 3H INC. was established in 1981 which is one of the biggest domestic manufacturer for aluminum window & door accessories, UPVC window & door accessories, Glass curtain wall and door control accessories. We are the only modernized enterprise group capable of developing and producing window & door hardware accessories as well as rubber sealings in China. 

2)We have a staff of more than 1500 people, including 300 professional technicians. Along with different demands from clients, our products are functional and technologically sound; in addition, we are able to put out new styles of products efficiently depending on market trends. 

3)We sincerely hope to set up a business relationship with you. For more information, please visit our website or contact us directly with your questions or inquiries.  

2.Factory Show

3.Our Professional Service

 1)We have 35 years experience in producing hardware products. 

 2)Our products have passed ECM certification and IS09001:2000. 

 3)6 tons to 300 tons hign speed stamping machines/drilling machine/cutting machines/welding machine/tapping machine/semi-outomatic pachaging machine,etc. 

 4)Have different sizes and finish,good quality control managed by our QC. 

 5)Different package are available. 

 6)Supply free sample for test. 

 7)OEM and ODM are available.    

4.Production Line of Products

5.Exhibition of Our Company 

Packaging Details

Interior polybag, exterior carton; or Packing follow guests' will

Delivery Time

Shipped in 25 days after payment

 1) Are you a factory or trading company?

We are a factory with designing, manufacturing, marketing and exporting together with our office.

 2) How can you guarantee the quality?

Experienced team of engineers and strict quality control. If you meet with quality problem, 

we promise to replace goods or return your funds.

 3)I want to buy your products, how can I make the payment?

You can pay by T/T, L/C.

4) I don’t find I want, can you OEM to me? What about minimum order quantity?

Yes, we are a professional OEM manufacturer with 35 year’s experience, we have large 

supper ability, but we never refuse to small orders, the MOQ can be 100 pcs.

5)Can you stamp the customers' own logo and their own package?

Yes,of course acceptable.