What the data for this category looks like
Data sources for chemical raw material reports include public industry reports, official chemical category databases, publicly disclosed information from upstream and downstream enterprises, and data from commodity spot trading platforms. Update frequencies vary by data type:
- Spot price data is updated daily
- Industry supply and demand analysis reports are updated weekly, monthly, or quarterly
- Specialized technical reports are released on demand
Document structure centers on material identifiers, and includes commodity name, CAS number, origin parameters, purity specifications, monthly supply and demand volume, spot price range, and upstream and downstream industrial chain associated items. Fields include cas_number, purity, unit_price, production_capacity, and others. Most units are tons, kilograms, percentage, and yuan/ton.
What constraints do these data characteristics impose on workflow orchestration
The data characteristics of chemical raw material reports impose multiple constraints on workflow orchestration. First, raw materials use CAS numbers as unique identifiers. Configure entity association rules in data access nodes to avoid mixing data from different material grades. Second, different data types have distinct update frequencies. Split real-time price query nodes and historical report retrieval nodes to adapt to different call frequency limits. Third, fields include clear units. Configure unit matching rules in parameter verification nodes to prevent mixing kilogram-level quotes with ton-level quotes. Fourth, single report lengths vary widely, from hundreds to tens of thousands of words. Configure adaptive segmentation parameters to support long text splitting and retrieval.
Configuration Settings
| Configuration Item | Recommended Value | Rationale |
|---|---|---|
recall_top_k | Top 8-12 entries | There are many segmented grades of chemical raw materials. Too many recalled entries will introduce irrelevant category data, while too few will fail to cover complete supply and demand analysis information |
chunk_size | 800-1200 characters | Chemical raw material reports contain professional data tables and unit annotations. This segment length retains the complete context of a single set of data |
http_request_timeout | 30-60 seconds | Some third-party chemical database interfaces respond slowly. Too short a timeout will cause loss of real-time spot price data |
variable_optional_switch | Enabled | Chemical raw material report retrieval supports filtering by optional parameters such as origin and purity. Enabling this allows flexible configuration of non-mandatory tool parameters |
sql_query_timeout | 600 seconds | Some structured query data for historical reports has a large volume. Too short a timeout will cause errors in SQL query nodes |
The parameter values provided on this page are all conventional recommendations used as starting points for configuration. Actual values are affected by material form, data volume and business rules. Specific issues require specific analysis, and it is recommended to test on your own samples before finalizing.
Three Common Mistakes
- Phenomenon: SQL query node returns empty results or reports the
SQL syntax errorerror. Cause: No dedicated field filtering rules for chemical raw materials are configured. Raw material fields from other categories are mixed into query conditions, resulting in failure to match corresponding data. - Phenomenon: HTTP call node returns the
getaddrinfo ENOTFOUNDerror. Cause: No port mapping rule for intranet penetration is configured for the configured address, or no domain name resolution verification node is added to the workflow. - Phenomenon: After configuring optional parameters for custom tools, the parameter list is empty during calls. Cause: The
variable_optional_switchconfiguration item is not enabled. The tool only displays mandatory parameters and hides optional filtering conditions such as raw material purity and origin.
How to Confirm Proper Configuration
- Execute a test call, check if recalled results only include report data for the chemical raw material category, and adjust filtering rules and recall parameters to meet requirements.
- Simulate a structured data query operation, verify if returned results include dedicated fields for chemical raw materials, and adjust the matching logic of the query statement.
- Trigger the HTTP call node, check if the response result contains target real-time data, and adjust the timeout configuration to cover interface response durations.
- Test the parameter display effect of the custom tool, confirm that optional parameters load normally, and verify the enabled status of the corresponding configuration item.
Question material comes from public community discussions. Configuration values are common starting points and should be measured against your own samples. Verified on 2026-09-14.