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2016
DATE
04 - 20
Pitch FormulaThere is a simple formula to determine how much pitch change you may require, but you’ll need a tachometer. Just follow these easy steps:1.Use your owner’s manual to determine the manufacturer’s specifications for your engine’s wide-open-throttle (WOT) range. 2. After adjusting your eng
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2017
DATE
02 - 23
To meet the new sales season, our factory has produced a large quantity of goods for dealers with the guarantee of quality and quantity.Research and development designers according to the needs of many customers, customized design of their own products.Propeller models are available. Both aluminum a
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2018
DATE
08 - 10
Why do propellers choose mechanical polishing?-Propeller processing technology
What are the differences between mechanical, electrochemical and chemical polishing of aluminum alloys?Both aluminum alloy propeller and stainless steel propeller have very strict requirements for polishing。
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2010
DATE
03 - 01
Basic Propeller Terminology A. Blade Tip The area defined as the blade tip is at the maximum length of the blade, measured from the center of the propeller hub. The tip is the point of the blade that separates the leading edge from the trailing edge. B. Leading Edge The leading edge is the part of
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2014
DATE
06 - 03
Find the right propeller in 3 easy steps!
1. Find out which propeller size (diameter and pitch) you have now (written on your prop)
2. Select your engine type on our site and automatically find the propellers that fit!
3. Select your current pitch propeller, or optionally choose a different pitch to change the performance (read below)
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2015
DATE
08 - 27
We are mainly divided into five departments
Human resources department
The production department
Finance deptartment
The sales marketing department
The Research department
Five departments work together to create better products and services for customers
In order to better adapt to the market and development needs as well as serve domestic and foreign customers, we continue to expand and adjust my team.
Sincere cooperation with you to create a better future

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2019
DATE
06 - 17
Invited to The 24th SHANGHAI INTERNATIONAL BOAT SHOW
Pleasant communication with domestic and foreign customers
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WhatsApp/Phone :
+86 18663935001
Add : No 272, Hei Long Jiang Lu,
          Qingdao, China 266044
QINGDAO SEAMAN MARINE CO.,LTD
It would be our pleasure to service you with satisfaction. We are sincerely hope to be your partners and friends here in Qingdao China.
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