Detials

9.4x4.3 inch carbon fiber best flight controller propellers for quadcopter produce less vibration due to their stiffness, and they are more quiet too when spinning.

Less jello in the video

9.4x4.3 inch carbon fiber best flight controller for propeller quadcopter significantly stronger than plastic when crashed, but not indestructible.

Come balanced straight out of the box (usually).

Perform well under high RPM.

Light weight props mean less inertia, thus faster motor speed change, and the control feels more responsive.

Company 

Xiangshan Gemfan Hobby Co., Ltd. is a comprehensive enterprise, which integrates R&D, design, production and marketing as a whole. It is one of the most professional propeller manufacturers in China. With enduring creativity, it commits to provide aviation model global players with professional, precise and efficient aviation parts.

Business Strength

First, it has multiple product lines of propeller, gimbal, brushless motor, electric speed controller, bullet, propeller protector and gold top. Gemfan has the R&D and production capacity on propeller with multiple materials. 

Moreover, Gemfan owns various patented products, which enable it to provide professional products to customers. Gemfan has been recognized by many professional UAV companys at home and abroad and becomes their partner for ODM/OEM. 

The last but not least,Gemfan has a low-key and pragmatic professional team, of which the core members all come from China's prestigious aviation colleges and universities and have insightful knowledge on composite material, unmanned aerial vehicle(UAV) control, internet technology, etc. 

Factory  

The factory is located in Xiangshan,Ningbo,Zhejiang. Gemfan has a complete and scientific quality management system. The factory area is about 3,000 sqm.

Manufacturing Capability

Equipped with all kinds of excellent machine and devices including high precision injection molding machine, milling machine, CNC machine tool, grinding machine, CNC machining center and various auxiliary processing equipment, as well as modern testing equipment especially for blades performance test, precision quality testing, multi-function power test dynamic balancing test and tension test, Gemfan's products quality and quantity are guaranteed through excellent technology, modern management and perfect production equipment.

Technology and Application

Design: We use CATIA and select airfoil profiles with low Reynolds number through the NACA airfoil profile database to conduct software data simulation and sample production. Constant tests and improvements are what we have always been doing. 

Production: With high precision injection molding machines and die manufacturing equipment, we can efficiently and stably produce various kinds of composite products made from all kinds of materials, and we accept customized orders from clients.

Quality Control: Equipped with various test instruments such as propeller effect measuring instrument, dynamic balance measuring instrument, material tester and so on, our lab is able to effectively control product performance and the stability of bulk shipment.  

Packaging & Delivery

Packaging Details:  OPP bag, good quality carton packing suitable for exporting

Delivery Detail:  Samples are available within 1-2 working days

FAQ

Q1:Which payment you can accept?

A1: Sample payment:100%TT. Paypal Available

Q2:Can you provide a sample?

A2: Yes,we can.

Q3:what is the date of delivery

A3:1-7days after receive deposit and confirm all the detail.

Q4: which way you will ship my goods?

A3:we ship products by Fedex,DHL,UPS,TNT,EMS,also the way of customers choose.

Our services

All inquiries and messages will be replied on time.

Sample order acceptable,Sample charge can be negotiated.  

With our QC department to assure the quality before shipment, customer also can come to inspection during production and after packing. 

Welcome OEM Project.

Provide pre-sale and after-sale service,including Professional photo and  Technical parameters data.

Gemfan is our internation Famous brand ,Our main Cusotmer  European and American markets.