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CERTIFICATION TESTING

Polyda  combines these quality inspection procedures with data analysis to improve product design and production process, therefore increasing custstomers' satisfaction.

EXCLUSIVE CASTING PROCESS/ADVANCED PROCESSING MACHINES

Polyda uses  exclusive casting process and avanced processing machines to make   propellers  stronger and tougher.Polyda propellers have 4 layers of paint.Using superior coastings and a high-tech painting process ensures excellent anti-corrosion performance. Polyda propellers are exposed to over 500 hours of testing in a salt water spray tank. This testing simulates more than 6 months of normal salt water use.  

PATENTS CERTIFICTAES

After years of efforts of R&D team, Polyda have got remarkable achievements and can manufacture world class watercraft propellers that completely satisfy every customer requirement.

CERTIFICATION TESTING

Polyda  combines these quality inspection procedures with data analysis to improve product design and production process, therefore increasing custstomers' satisfaction.

EXCLUSIVE CASTING PROCESS/ADVANCED PROCESSING MACHINES

Polyda uses  exclusive casting process and avanced processing machines to make   propellers  stronger and tougher.Polyda propellers have 4 layers of paint.Using superior coastings and a high-tech painting process ensures excellent anti-corrosion performance. Polyda propellers are exposed to over 500 hours of testing in a salt water spray tank. This testing simulates more than 6 months of normal salt water use.  

PATENTS CERTIFICTAES

After years of efforts of R&D team, Polyda have got remarkable achievements and can manufacture world class watercraft propellers that completely satisfy every customer requirement.

ABOUT US

Qingdao Yizhaoyuan Ship Fittings Co., Ltd. is professional boat propeller manufacturer which specializes in aluminum propellers,stainless steel propellers,nibral propellers and jet ski impellers. With many years manufacturing experience, we has created well-kown brand "POLY-DA".

KNOW MORE ABOUT US

Our Propellers Overview

Our propellers can match the size and type with YAMAHA,MERCURY,HONDA,SUZUKI,TOHATSU and other brands engines .our propellers suitable for marine, boat,ship;Quality inspection is carried out during Casting process.

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