We trade with some company oversea, like professional garden tools and accessories company, or large purchasing company. Our product orientation is up-market, competing with brands of international famous.
The raw materials of our products are imported from America, which shares the same origin of materials with OREGON. And the type of the materials is SAE8660.
Heat treatment is handed in Kunshan Xinguang Heat Treatment Factory which is an expertise company of Taiwanese capital.
The inspection procedure: We have the expertise inspection groups, in order to check saw chains and their components. These inspections include test for pre-tensile strength, test for stability and breaking, test for the hardness of its components, test for breaking of finished products, the quality of saw chain surface, and test for flexibility of saw chains and so on.
Stability and breaking strength of our products:
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Specification
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test for tensile strength
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||
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OREGON
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STIHL
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LONGER
|
|
3/8″LP
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5650-5850
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5655-5790
|
5600-6123
|
|
.325″
|
7400-7560
|
7410-7570
|
7310-8230
|
|
3/8″
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7650-7800
|
7650-7900
|
7200-9000
|
|
.404″
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10560-10780
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10565-10800
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9500-11000
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Chain saw type:
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PITCH
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GAUGE
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CHAIN TYPE
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A=3/8”LP
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0=.043”/1.1mm
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FT=Safety
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B=.325”
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1=.050”/1.3mm
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S=Square-corner
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C=3/8”
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2=.058”/1.5mm
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T=tight tooth
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D=.404”
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3=.063”/1.6mm
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ST=Skip tooth
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E=1/4”
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4=.080”/2.0mm
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|
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G=3/4”
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5=.122”
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Cutter hardness of blade:
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HRC
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hard chromium plating
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|
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Times
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LONGER
|
LONGER
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|
1
|
55.54
|
64
|
|
2
|
55.76
|
63.52
|
|
3
|
54.91
|
63.27
|
|
4
|
56.17
|
63.87
|