4. Loans receivable	6 Months Ended
Jun. 30, 2013
Loans and Leases Receivable Disclosure [Abstract]
4. Loans receivable	The company entered into series of collateralized loan agreements with third parties from 2009, the total loan receivable is $6,118,226 and $6,308,085 as of June 30, 2013 and December 12, 2012, respectively. During 2011, the Company entered into a collateralized loan agreement with Beijing Sihai Real Estate Development Ltd., pursuant to which the Company loaned $2,276,841, due on November 29, 2013. The loan bears interest at a variable rate based on the Peoples’ Bank of China lending rate applicable to the period plus 10%. $321,022 of repayment from Beijing Sihai Real Estate Development Ltd was received during 2012 first quarter and then the Company loaned $1,444,599 to Beijing Sihai Estate Development Ltd on November 30, 2012 again. In first quarter of 2013, the company has recollected $281,767 from Beijing Sihai Real Estate Development Ltd .The loan receivable to Beijing Sihai Real Estate Development Ltd was $3,674,194 and $3,912,539 as of June 30, 2013 and December 31, 2012, respectively. During 2011, the Company entered into a collateralized loan agreement with Shenyang Landing Concrete Ltd. Company, pursuant to which, the Company loaned $2,444,032, due on March 27, 2013.The loan bears interest at a variable rate based on the Peoples’ Bank of China lending rate applicable to the period. On November 30, 2011 the Company, along with Shenyang Landing Concrete Ltd reassigned the loan amount to and Kaiyuan Hongyun Concrete Admixture Ltd. with the same terms, due on November 30, 2013. During 2009, the Company entered into an uncollateralized loan agreement with Zhongxin Guoan Ltd., pursuant to which the Company loaned $2,036,693, due on October 30, 2011. The loan bore interest at a variable rate based on the Peoples’ Bank of China lending rate applicable to the period. Subsequent to the issuance of the loan, the Company determined that the loan was uncollectible and recorded a reserve on the entire loan amount. Therefore this loan is not included in the loans receivable on the balance sheet. During the fourth quarter of 2011, this loan was reassigned to Shenyang Konggang New City Investment Development Ltd., who is working on a development project with Zhongxin Guoan Ltd. The loan remains uncollateralized and is now due on November 24, 2013. The loan bears interest at a variable rate based on the Peoples’ Bank of China lending rate applicable to the period.

4. Loans receivable

6 Months Ended

Jun. 30, 2013

Loans and Leases Receivable Disclosure [Abstract]

The company entered into series of collateralized loan agreements with third parties from 2009, the total loan receivable is $6,118,226 and $6,308,085 as of June 30, 2013 and December 12, 2012, respectively.

During 2011, the Company entered into a collateralized loan agreement with Beijing Sihai Real Estate Development Ltd., pursuant to which the Company loaned $2,276,841, due on November 29, 2013. The loan bears interest at a variable rate based on the Peoples’ Bank of China lending rate applicable to the period plus 10%. $321,022 of repayment from Beijing Sihai Real Estate Development Ltd was received during 2012 first quarter and then the Company loaned $1,444,599 to Beijing Sihai Estate Development Ltd on November 30, 2012 again. In first quarter of 2013, the company has recollected $281,767 from Beijing Sihai Real Estate Development Ltd .The loan receivable to Beijing Sihai Real Estate Development Ltd was $3,674,194 and $3,912,539 as of June 30, 2013 and December 31, 2012, respectively.

During 2011, the Company entered into a collateralized loan agreement with Shenyang Landing Concrete Ltd. Company, pursuant to which, the Company loaned $2,444,032, due on March 27, 2013.The loan bears interest at a variable rate based on the Peoples’ Bank of China lending rate applicable to the period. On November 30, 2011 the Company, along with Shenyang Landing Concrete Ltd reassigned the loan amount to and Kaiyuan Hongyun Concrete Admixture Ltd. with the same terms, due on November 30, 2013.

During 2009, the Company entered into an uncollateralized loan agreement with Zhongxin Guoan Ltd., pursuant to which the Company loaned $2,036,693, due on October 30, 2011. The loan bore interest at a variable rate based on the Peoples’ Bank of China lending rate applicable to the period. Subsequent to the issuance of the loan, the Company determined that the loan was uncollectible and recorded a reserve on the entire loan amount. Therefore this loan is not included in the loans receivable on the balance sheet. During the fourth quarter of 2011, this loan was reassigned to Shenyang Konggang New City Investment Development Ltd., who is working on a development project with Zhongxin Guoan Ltd. The loan remains uncollateralized and is now due on November 24, 2013. The loan bears interest at a variable rate based on the Peoples’ Bank of China lending rate applicable to the period.

- Definition

The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses.

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