On June 30, 2017, the Company’s short-term bank borrowings consisted of revolving bank loans of $8,121 from several banks, which were subject to annual interest rates ranging from 3.09% to 4.85%, with a weighted average interest rate of 3.53%. Some of the short-term loans are secured by the pledge of restricted cash and buildings with carrying values of $16,410 and $991 as of June 30, 2017, respectively.

 

On June 30, 2018, the Company’s short-term bank borrowings consisted of revolving bank loans of $2,865 from several banks, which were subject to annual interest rates ranging from 4.60% to 5.66%, with a weighted average interest rate of 4.71%. Some of the short-term loans are secured by the pledge of restricted cash $1,007 as of June 30, 2018, respectively.

For the years ended June 30, 2016, 2017, and 2018, interest expenses on short-term bank loans amounted to $211, $178 and $376, respectively.

 

As of June 30, 2017, the Company had available lines of credit from various banks in the PRC, Singapore and Malaysia amounting to $257,670, of which $78,910 was utilized and $178,760 is available for use. These lines of credit were secured by the pledge of restricted cash and buildings with a carrying value of $4,954 and $3,209, respectively.

 

As of June 30, 2018, the Company had available lines of credit from various banks in the PRC, Singapore and Malaysia amounting to $340,006, of which $151,254 was utilized and $188,752 is available for use. These lines of credit were secured by the pledge of restricted cash and buildings with a carrying value of $2,279 and $3,121, respectively.