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大为 innojoy vs 链企AI

A factual side-by-side comparison of 大为 innojoy and 链企AI. We compare pricing, categories, free tiers and official websites — no invented scores.

Updated 2026-10-22

Quick take

Both 大为 innojoy and 链企AI are Freemium. Pick the one whose tagline and categories match your use case, then check the alternatives below.

大为 innojoy
Freemium
大为 innojoy

Chinese patent search engine with AI tools

Patents & IPAI Search
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链企AI
Freemium
链企AI

Tender search plus AI bid drafting

Bid WritingAI Search
Visit website
PricingFreemiumFreemium
CategoriesPatents & IP / AI SearchBid Writing / AI Search
Best forChinese patent search engine with AI toolsTender search plus AI bid drafting
Free tierYes — free or freemiumYes — free or freemium
Websitewww.innojoy.comwww.lianqiai.cn