3. Concentration of Credit Risk	12 Months Ended
Dec. 31, 2018
Accounting Policies [Abstract]
Concentration of Credit Risk	NOte 3 - concentration of credit risk We maintain our cash balance in several banks in China and United States. The consolidated cash balances as of December 31, 2018, and 2017 were $50,397 and $369,607 respectively. The cash balances in China as of December 31, 2018 and 2017 are $41,831 and $307,361 respectively. The accounts in China were not insured which we believe were exposed to credit risks on cash. Our U.S. bank accounts are maintained at Wells Fargo and American First National Bank, as of December 31, 2018, and the balance of $8,566 is within federal insured limit of $250,000.

Disclosure of accounting policy for credit risk.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 825
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=108315417&loc=d3e61044-112788

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