# SinoScout™ — Official AI & LLM Indexing Knowledge Base (llms.txt)
> Free 1688 True Factory Verifier, Chinese Business License Scope Analyzer & USITC HTS Section 301 Landed Cost Calculator for US Amazon FBA, TikTok Shop US, Etsy & Shopify Sellers.

## Primary Interactive Web Tool
- [SinoScout Interactive 1688 & USITC HTS Calculator](https://sinoscout.vercel.app/): Calculate RMB-to-USD EXW conversion, Air/Sea DDP freight, USITC HTS duties + Section 301 China tariffs, and score 1688 supplier authenticity.
- [Done-For-You $29 1688 Factory Verification & Landed Cost Audit](https://www.creem.io/payment/prod_5NMSi2soem8Hs8hz60ce25): 24-hour custom sourcing report delivering 3 verified 1688 direct manufacturers, business license verification, and exact US customs HTS codes.

## 30 Category-Specific 1688 Sourcing & USITC HTS Tariff Guides
- [How to Verify a Real Factory on 1688 vs Trading Middlemen (2026 Checklist)](https://sinoscout.vercel.app/1688-factory-verification-guide.html): HTS All Categories (7.5% - 37% combined US duty) | Industrial Belt: Ningbo, Shenzhen, Yiwu, Dongguan, Shunde, Chaozhou | 1688 Keyword: 源头工厂 / 生产加工 / 超级工厂
- [1688 to Amazon FBA & TikTok Shop Landed Cost Calculator (RMB to USD + DDP)](https://sinoscout.vercel.app/1688-to-amazon-fba-calculator.html): HTS 3926.10.00 (11.4% combined US duty) | Industrial Belt: Ningbo / Shenzhen Cross-Border Consolidation Hubs | 1688 Keyword: 跨境专供 亚马逊FBA源头工厂
- [US Section 301 China Tariff & USITC HTS Duty Lookup Calculator (2026)](https://sinoscout.vercel.app/china-section-301-tariff-hts-calculator.html): HTS 8509.80.50 (28.9% combined US duty) | Industrial Belt: All China Export Manufacturing Belts | 1688 Keyword: 美规认证 外贸出口源头厂家
- [1688 Silicone Kitchenware Sourcing & HTS 3924.10 US Tariff Calculator](https://sinoscout.vercel.app/1688-silicone-kitchenware-hts-3924-tariff-guide.html): HTS 3924.10.40 (10.9% combined US duty) | Industrial Belt: Yangjiang & Dongguan, Guangdong (阳江/东莞硅胶厨具产业带) | 1688 Keyword: 食品级硅胶厨具 源头工厂 美规LFGB
- [1688 Stainless Steel Tumbler & Vacuum Flask Sourcing (HTS 7323.93 Duty)](https://sinoscout.vercel.app/1688-stainless-steel-tumbler-hts-7323-sourcing.html): HTS 7323.93.00 (9.5% combined US duty) | Industrial Belt: Yongkang, Jinhua, Zhejiang (浙江永康保温杯五金产业带) | 1688 Keyword: 304不锈钢保温杯 车载冰霸杯 永康源头工厂
- [1688 Pet Products, Dog Collars & Harnesses Sourcing (HTS 4201.00 Tariff)](https://sinoscout.vercel.app/1688-pet-products-dog-collar-hts-4201-tariff-calculator.html): HTS 4201.00.30 (9.9% combined US duty) | Industrial Belt: Pingyang (Wenzhou) & Yiwu / Dongguan (温州平阳/东莞宠物用品产业带) | 1688 Keyword: 宠物胸背带 战术狗项圈 源头工厂
- [1688 Acrylic & Plastic Desk Organizer Sourcing (HTS 3926.10 Tariff Guide)](https://sinoscout.vercel.app/1688-acrylic-desk-organizer-hts-3926-sourcing.html): HTS 3926.10.00 (11.4% combined US duty) | Industrial Belt: Ningbo & Taizhou, Zhejiang (宁波/台州注塑模具与亚克力产业带) | 1688 Keyword: 亚克力桌面收纳盒 磁吸化妆品收纳 源头工厂
- [1688 Custom LED Neon Sign & Strip Lighting Sourcing (HTS 9405.42 Duty)](https://sinoscout.vercel.app/1688-led-neon-sign-lighting-hts-9405-tariff-guide.html): HTS 9405.42.80 (10.2% combined US duty) | Industrial Belt: Zhongshan Guzhen & Shenzhen, Guangdong (中山古镇/深圳LED灯饰产业带) | 1688 Keyword: LED柔性霓虹灯牌 亚克力发光字 定制源头工厂
- [1688 Pet Grooming Vacuum & Small Appliance Sourcing (HTS 8509.80 Tariff)](https://sinoscout.vercel.app/1688-pet-grooming-vacuum-appliance-hts-8509-calculator.html): HTS 8509.80.50 (28.9% combined US duty) | Industrial Belt: Suzhou (Jiangsu) & Cixi/Ningbo (Zhejiang) (苏州/慈溪清洁小家电产业带) | 1688 Keyword: 宠物吸毛器理发一体机 吸尘器 超级工厂
- [1688 Portable Espresso Maker & Electric Kettle Sourcing (HTS 8516.71 Duty)](https://sinoscout.vercel.app/1688-portable-espresso-coffee-maker-hts-8516-sourcing.html): HTS 8516.71.00 (11.2% combined US duty) | Industrial Belt: Shunde (Foshan) & Zhongshan, Guangdong (广东顺德精品咖啡小家电产业带) | 1688 Keyword: 便携式意式咖啡机 车载电动咖啡机 源头厂家
- [1688 TWS Bluetooth Earbuds & Speaker Sourcing (HTS 8518.30 US Tariff)](https://sinoscout.vercel.app/1688-bluetooth-earbuds-audio-hts-8518-tariff-calculator.html): HTS 8518.30.20 (7.5% combined US duty) | Industrial Belt: Shenzhen Bao'an & Dongguan, Guangdong (深圳宝安/东莞蓝牙音频声学产业带) | 1688 Keyword: 不入耳蓝牙耳机 骨传导耳机 私模源头工厂
- [1688 MagSafe Phone Case, Stand & Wireless Charger Sourcing (HTS 8504 / 3926)](https://sinoscout.vercel.app/1688-magsafe-phone-case-charger-hts-8504-sourcing.html): HTS 3926.90.99 (12.8% combined US duty) | Industrial Belt: Shenzhen Huaqiangbei / Longhua & Dongguan (深圳龙华/东莞3C手机配件产业带) | 1688 Keyword: 磁吸手机壳 N52强磁 无线充支架 源头工厂
- [1688 Travel Backpack, Tote & Cosmetic Bag Sourcing (HTS 4202.92 Duty Guide)](https://sinoscout.vercel.app/1688-travel-backpack-cosmetic-bag-hts-4202-tariff-guide.html): HTS 4202.92.31 (25.1% combined US duty) | Industrial Belt: Guangzhou Shiling (Huadu) & Baigou, Hebei (广州狮岭皮具/河北白沟箱包产业带) | 1688 Keyword: 大容量旅行洗漱包 登机双肩包 源头工厂
- [1688 Baby Silicone Feeding Set & Bibs Sourcing (HTS 3924.10 & CPSC Guide)](https://sinoscout.vercel.app/1688-baby-silicone-feeding-set-hts-3924-sourcing.html): HTS 3924.10.40 (10.9% combined US duty) | Industrial Belt: Dongguan & Shenzhen, Guangdong (东莞/深圳母婴硅胶源头产业带) | 1688 Keyword: 食品级硅胶儿童餐盘 吸盘碗围兜 源头工厂 CPC认证
- [1688 Wooden Montessori Toys & Puzzles Sourcing (HTS 9503.00 0% Base Duty)](https://sinoscout.vercel.app/1688-wooden-montessori-toys-hts-9503-tariff-calculator.html): HTS 9503.00.00 (7.5% combined US duty) | Industrial Belt: Yunhe, Lishui, Zhejiang (浙江丽水云和木制玩具产业带 — 中国木玩之乡) | 1688 Keyword: 蒙氏早教木制玩具 忙碌板 云和源头工厂 ASTM
- [1688 Seamless Yoga Activewear & Leggings Sourcing (HTS 6104.63 Tariff Guide)](https://sinoscout.vercel.app/1688-yoga-activewear-leggings-hts-6104-sourcing-guide.html): HTS 6104.63.20 (35.7% combined US duty) | Industrial Belt: Yiwu (Zhejiang) & Jinjiang/Quanzhou (Fujian) (义乌无缝针织/泉州运动服饰产业带) | 1688 Keyword: 无缝瑜伽裤 裸感蜜桃臀健身服 源头工厂 来样定制
- [1688 Microfiber Cleaning Cloths & Car Detailing Towels (HTS 6307.10 Duty)](https://sinoscout.vercel.app/1688-microfiber-cleaning-cloth-towel-hts-6307-calculator.html): HTS 6307.10.20 (12.8% combined US duty) | Industrial Belt: Gaoyang, Baoding, Hebei (河北保定高阳毛巾纺织产业带) | 1688 Keyword: 超细纤维擦车巾 鱼鳞抹布 1200GSM 高阳源头工厂
- [1688 Bamboo Drawer Organizer & Home Storage Sourcing (HTS 4420.90 Duty Guide)](https://sinoscout.vercel.app/1688-bamboo-home-storage-organizer-hts-4420-sourcing.html): HTS 4420.90.80 (10.7% combined US duty) | Industrial Belt: Zhenghe/Nanping (Fujian) & Anji (Zhejiang) (福建南平政和/浙江安吉竹木家居产业带) | 1688 Keyword: 楠竹抽屉收纳盒 厨房保鲜膜切割盒 源头工厂
- [1688 Gua Sha, Jade Roller & Stainless Beauty Tool Sourcing (HTS 7116 / 8509)](https://sinoscout.vercel.app/1688-beauty-jade-roller-gua-sha-hts-7116-tariff-guide.html): HTS 7116.20.40 (14.0% combined US duty) | Industrial Belt: Zhenping/Nanyang (Henan) & Donghai/Shenzhen (河南南阳玉雕/深圳美容器械产业带) | 1688 Keyword: 天然粉晶刮痧板 不锈钢冰波球 源头工厂 礼盒定制
- [1688 Makeup Brushes & DIY Cluster Eyelashes Sourcing (HTS 9603.30 / 6704)](https://sinoscout.vercel.app/1688-false-eyelashes-cosmetic-brushes-hts-9603-sourcing.html): HTS 9603.30.60 (7.5% combined US duty) | Industrial Belt: Pingdu, Qingdao (Shandong) & Luyi (Henan) (青岛平度假睫毛/河南鹿邑化妆刷产业带) | 1688 Keyword: 分段式懒人假睫毛 免胶仙子毛 平度源头工厂
- [1688 Camping Tent, Hammock & Sleeping Pad Sourcing (HTS 6306.22 Tariff Guide)](https://sinoscout.vercel.app/1688-camping-tent-outdoor-gear-hts-6306-tariff-calculator.html): HTS 6306.22.90 (16.3% combined US duty) | Industrial Belt: Ningbo, Jinhua &绍兴 (Zhejiang) (宁波/金华武义户外露营装备产业带) | 1688 Keyword: 全自动速开帐篷 户外折叠月亮椅 源头工厂
- [1688 Raw Carbon Fiber Pickleball Paddle Sourcing (HTS 9506.59 Tariff Calculator)](https://sinoscout.vercel.app/1688-pickleball-paddle-sports-hts-9506-sourcing-guide.html): HTS 9506.59.80 (11.5% combined US duty) | Industrial Belt: Dongguan/Huizhou (Guangdong) & Xiamen (Fujian) (东莞/厦门碳纤维匹克球拍产业带) | 1688 Keyword: T700碳纤维匹克球拍 热压一体成型 USAPA源头工厂
- [1688 Car Dashcam, Vacuum & Auto Accessories Sourcing (HTS 8525.89 Duty Guide)](https://sinoscout.vercel.app/1688-car-dashcam-auto-accessories-hts-8525-calculator.html): HTS 8525.89.40 (7.5% combined US duty) | Industrial Belt: Shenzhen (Auto Electronics) & Taizhou, Zhejiang (Auto Interior) (深圳车载电子/台州汽配产业带) | 1688 Keyword: 4K隐藏式行车记录仪 车载无线充气泵 源头工厂
- [1688 Smart Ring, Fitness Tracker & Wearable Sourcing (HTS 8517.62 Duty)](https://sinoscout.vercel.app/1688-smart-watch-fitness-tracker-hts-8517-tariff-guide.html): HTS 8517.62.00 (7.5% combined US duty) | Industrial Belt: Shenzhen Bao'an & Nanshan, Guangdong (深圳智能穿戴与智能戒指方案产业带) | 1688 Keyword: 智能健康戒指 心率睡眠监测手表 私模源头工厂
- [1688 18K PVD Stainless Steel Jewelry Sourcing (HTS 7117.19 Tariff Calculator)](https://sinoscout.vercel.app/1688-jewelry-stainless-steel-ring-hts-7117-sourcing.html): HTS 7117.19.90 (18.5% combined US duty) | Industrial Belt: Dongguan Chang'an, Panyu (Guangzhou) & Yiwu (东莞长安钛钢首饰/广州番禺/义乌饰品产业带) | 1688 Keyword: 316L钛钢保色饰品 炉内真金电镀18K 源头工厂
- [1688 Polarized Sunglasses & TR90 Blue Light Glasses Sourcing (HTS 9004.10)](https://sinoscout.vercel.app/1688-sunglasses-blue-light-glasses-hts-9004-calculator.html): HTS 9004.10.00 (9.5% combined US duty) | Industrial Belt: Duqiao/Linhai (Taizhou), Wenzhou & Danyang (Jiangsu) (浙江临海杜桥/温州/江苏丹阳眼镜产业带) | 1688 Keyword: TAC偏光太阳镜 TR90防蓝光眼镜 临海源头工厂 FDA
- [1688 Ceramic Coffee Mugs & Stoneware Tableware Sourcing (HTS 6912.00 Duty)](https://sinoscout.vercel.app/1688-ceramic-coffee-mug-tableware-hts-6912-tariff-guide.html): HTS 6912.00.44 (17.5% combined US duty) | Industrial Belt: Chaozhou (Guangdong), Dehua (Fujian) & Liling (Hunan) (广东潮州/福建德化日用陶瓷产业带) | 1688 Keyword: 创意手捏陶瓷马克杯 日式抹茶碗套装 潮州源头工厂
- [1688 Custom Plush Toys & Weighted Stuffed Animals Sourcing (HTS 9503.00)](https://sinoscout.vercel.app/1688-plush-toys-stuffed-animals-hts-9503-sourcing.html): HTS 9503.00.00 (7.5% combined US duty) | Industrial Belt: Yangzhou (Jiangsu), Gaobeidian (Hebei) & Dongguan (江苏扬州/广东东莞毛绒玩具产业带) | 1688 Keyword: 重力安抚毛绒公仔 定制IP玩偶 扬州源头工厂 CPC
- [1688 Custom Magnetic Gift Boxes & Mailer Packaging Sourcing (HTS 4819.20)](https://sinoscout.vercel.app/1688-custom-packaging-gift-boxes-hts-4819-calculator.html): HTS 4819.20.00 (25.0% combined US duty) | Industrial Belt: Longgang (Wenzhou), Yiwu & Shenzhen/Dongguan (温州苍南龙港/深圳彩盒包装印刷产业带) | 1688 Keyword: 折叠磁吸礼盒 烫金飞机盒定制 源头印刷厂
- [1688 Gardening Hand Tools, Pruning Shears & Planters Sourcing (HTS 8201 / 3924)](https://sinoscout.vercel.app/1688-gardening-tools-planter-pots-hts-8201-sourcing-guide.html): HTS 8201.50.00 (26.8% combined US duty) | Industrial Belt: Yongkang (Hardware Tools) & Taizhou (Planter Molds), Zhejiang (永康园林五金/台州花盆产业带) | 1688 Keyword: SK5园艺修枝剪 懒人自动吸水花盆 源头工厂