3. Concentration of Credit Risk	3 Months Ended
Mar. 31, 2019
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 March 31, 2019 and December 31, 2018 were $37,447 and $50,397, respectively. The cash balances in China as of March 31, 2019 and December 31, 2018 were $21,255 and $41,831, respectively. In China, a depositor has up to RMB 500,000 insured by the People’s Bank of China Financial Stability Bureau (“FSD”) which were within the insured limit. The cash balances in our US account as of March 31, 2019 and December 31, 2018 were $16,192 and $8,566, respectively, which were 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

Name:	us-gaap_ConcentrationRiskCreditRisk
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration