CrabCaptain
YOUR CAPTAIN IN CHINA SOURCING
Making It Easy to Source Industrial Products from China · 让从中国采购工业品变容易
Industry insights, procurement guides, and company updates from CrabCaptain.
Stay informed about China sourcing best practices and industrial market trends
August 10, 2026
Figure: Cutaway view of a centrifugal compressor showing internal components Centrifugal Compressor Operating Principles Centrifugal compressors are dynamic machines that raise gas pressure by...
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August 10, 2026
Figure: Centrifugal chiller plant showing compressor, condenser, evaporator, and auxiliary systems in a commercial HVAC installation Centrifugal Chiller Fundamentals Components A centrifugal chiller is...
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August 10, 2026
Figure 1: Automotive wheel hub oil seal with rubber-metal integrated design Its core mission can be summarized in just eight words: “Retain lubrication inside,...
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August 10, 2026
Figure 1: High-temperature sealing products for 800C extreme environments Sealing solutions tailored for the extreme 800°C range must not only withstand severe thermal stress...
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Read more →资质与认证 — 合作工厂均具备完整资质（ISO、CE、材质报告 MTC、出厂检验单等）。出于商业保密，完整证书扫描与工厂资质仅在签署 NDA 后向已验证买家提供；询价时可直接向我们索取。 / Our partner factories hold full qualifications (ISO, CE, MTC material reports, mill test certificates). For commercial confidentiality, complete certificate scans and factory qualifications are shared with verified buyers under NDA on request.
Quality Management System
Environmental Management
EU Conformity Declaration
Registered & Licensed Supplier / 营业执照
On-site Audited Manufacturer / 实地认证