Paid Tools

Calculate the price change percentage of China A-shares over a specified period and view the top gainers and losers ranking.

Free online UnionPay card checker. Instantly identify card types (debit, credit, prepaid) using the first 6-digit BIN. Fast, secure, and accurate.

Enter a mutual fund ticker symbol to instantly check its net asset value (NAV), fund category, manager, and other essential data.

Free online tool to look up historical mutual fund NAVs and instantly calculate period returns. Track your investment performance fast.

Look up ICP filing reference information by domain, including filing entity, filing number, site title, reported status, review date, and paged records.

Free online new mutual fund screener. Quickly filter currently available new funds, compare subscription fees, check fund managers, and get key data for smarter investment decisions.

Search public trademark records associated with a Chinese company by legal name, unified credit code, registration number, or former name.

Check the latest WTI or Brent price, daily range, change, and data timestamp.

Bulk lookup branch locations for corporate bank accounts. Ideal for financial risk control and business audits.

Enter a 12-digit CNAPS code to identify the bank branch, bank, region, address, phone number, and logo.

Enter departure station, arrival station, and travel date to retrieve a train schedule and seat-availability snapshot. Actual service and ticketing are governed by 12306 and station notices.

Enter a mutual fund ticker to check its top 10 holdings and sector allocation. Analyze fund investment styles and concentration risks easily online.

Check real-time price data for 92#, 95#, and 98# gasoline, as well as 0# diesel across all provinces and cities.

Quickly search open-end mutual funds currently available on the market with multi-dimensional filtering to assist your investment decisions.

Compare historical net asset value (NAV) trends of multiple mutual funds on one screen to help evaluate performance differences.

Accurately look up subordinate administrative units using a parent region ID to get key data like names, levels, and coordinates.

Accurately search China's 5-level administrative regions (province, city, district, county, township) to get coordinates, zip codes, and area codes.

Free online international bank card BIN checker. Instantly look up a BIN/IIN to identify the card network, issuing country, and bank.

View historical candlestick charts for Chinese precious metals like gold and silver. Analyze market trends and calculate investment returns online.

Upload one K–12 homework or worksheet image to receive question-level status, reasons, and task statistics.