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Preliminary Determination in Antidumping Duty Investigation of Certain Corrosion Inhibitors from China

Preliminary Determination in the Antidumping Duty Investigation of Certain Corrosion Inhibitors from China

On September 3, 2020, the Department of Commerce (Commerce) announced its preliminary determination in the antidumping duty (AD) investigation of imports of certain corrosion inhibitors from China.



Country Producer Exporter Dumping Rates Cash Deposit Rate [2]
China Nantong Kanghua Chemical Co., Ltd Jiangyin Delian Chemical Co., Ltd. 122.11% 64.53%
Nantong Botao Chemical Co., Ltd. Jiangyin Delian Chemical Co., Ltd. 122.11% 64.53%
Nantong Botao Chemical Co., Ltd. Nantong Botao Chemical Co., Ltd. 128.06% 94.71%
Separate Rate Companies 125.09% 79.63%
China-Wide Entity[1] 260.92% 227.57%


[1] Rate was assigned based on facts available of adverse inference
[2] Rates adjusted for export and other subsidy offsets

Event AD Investigation
Petition Filed February 5, 2020
DOC Initiation Date February 25, 2020
ITC Preliminary Determination March 23, 2020
DOC Preliminary Determination September 2, 2020
DOC Final Determination January 19, 2021
ITC Final Determination March 5, 2021
Issuance of Orders [1] March 12, 2021

[1] This will take place only in the event of affirmative final determinations from Commerce and the ITC
Note: Commerce preliminary and final determination deadlines are governed by statute. For AD investigations, the deadlines are set forth in section 733(b) and 735(a)(1)of the Tariff Act of 1930, as amended(the Act). For CVD investigations, the deadlines are set forth in sections 703(b) and 705(a) of the Act.

Country Volume/Value 2017 2018 2019
China Volume (KG) 4,495,312 5,796,956 4,753,849
Value (USD) $21,401,027 $27,102,007 $16,276,755

Source: U.S. Census Bureau, accessed through Global Trade Atlas (Harmonized Tariff Schedule of the United States (HTSUS) subheadings 2933.99.8210 and 2933.99.8220.

The petitioner is Wincom, Incorporated (Blue Ash, OH).

For general information and next steps, please refer to a list of preliminary FAQs.

Additional case information including the scope of the investigation are on file electronically via Enforcement and Compliance’s Antidumping and Countervailing Duty Centralized Electronic Service System (ACCESS). Once you log in, please refer to case number: A-570-122.

To date, Commerce maintains 538 AD and CVD orders which provide relief to American companies and industries impacted by unfair trade.

Since the beginning of the Trump Administration, Commerce has initiated 286 new AD and CVD investigations - this is a 267 percent increase from the comparable period in the previous administration.